diff --git a/java-scheduler/proto-google-cloud-scheduler-v1/src/main/java/com/google/cloud/scheduler/v1/JobProto.java b/java-scheduler/proto-google-cloud-scheduler-v1/src/main/java/com/google/cloud/scheduler/v1/JobProto.java
index 8fff5b05a38d..3ab2b89b94d1 100644
--- a/java-scheduler/proto-google-cloud-scheduler-v1/src/main/java/com/google/cloud/scheduler/v1/JobProto.java
+++ b/java-scheduler/proto-google-cloud-scheduler-v1/src/main/java/com/google/cloud/scheduler/v1/JobProto.java
@@ -49,38 +49,37 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "ource.proto\032&google/cloud/scheduler/v1/t"
           + "arget.proto\032\036google/protobuf/duration.pr"
           + "oto\032\037google/protobuf/timestamp.proto\032\027go"
-          + "ogle/rpc/status.proto\032\034google/api/annota"
-          + "tions.proto\"\313\006\n\003Job\022\014\n\004name\030\001 \001(\t\022\023\n\013des"
-          + "cription\030\002 \001(\t\022@\n\rpubsub_target\030\004 \001(\0132\'."
-          + "google.cloud.scheduler.v1.PubsubTargetH\000"
-          + "\022P\n\026app_engine_http_target\030\005 \001(\0132..googl"
-          + "e.cloud.scheduler.v1.AppEngineHttpTarget"
-          + "H\000\022<\n\013http_target\030\006 \001(\0132%.google.cloud.s"
-          + "cheduler.v1.HttpTargetH\000\022\020\n\010schedule\030\024 \001"
-          + "(\t\022\021\n\ttime_zone\030\025 \001(\t\0224\n\020user_update_tim"
-          + "e\030\t \001(\0132\032.google.protobuf.Timestamp\0223\n\005s"
-          + "tate\030\n \001(\0162$.google.cloud.scheduler.v1.J"
-          + "ob.State\022\"\n\006status\030\013 \001(\0132\022.google.rpc.St"
-          + "atus\0221\n\rschedule_time\030\021 \001(\0132\032.google.pro"
-          + "tobuf.Timestamp\0225\n\021last_attempt_time\030\022 \001"
-          + "(\0132\032.google.protobuf.Timestamp\022<\n\014retry_"
-          + "config\030\023 \001(\0132&.google.cloud.scheduler.v1"
-          + ".RetryConfig\0223\n\020attempt_deadline\030\026 \001(\0132\031"
-          + ".google.protobuf.Duration\"X\n\005State\022\025\n\021ST"
-          + "ATE_UNSPECIFIED\020\000\022\013\n\007ENABLED\020\001\022\n\n\006PAUSED"
-          + "\020\002\022\014\n\010DISABLED\020\003\022\021\n\rUPDATE_FAILED\020\004:Z\352AW"
-          + "\n!cloudscheduler.googleapis.com/Job\0222pro"
-          + "jects/{project}/locations/{location}/job"
-          + "s/{job}B\010\n\006target\"\342\001\n\013RetryConfig\022\023\n\013ret"
-          + "ry_count\030\001 \001(\005\0225\n\022max_retry_duration\030\002 \001"
-          + "(\0132\031.google.protobuf.Duration\0227\n\024min_bac"
-          + "koff_duration\030\003 \001(\0132\031.google.protobuf.Du"
-          + "ration\0227\n\024max_backoff_duration\030\004 \001(\0132\031.g"
-          + "oogle.protobuf.Duration\022\025\n\rmax_doublings"
-          + "\030\005 \001(\005Bo\n\035com.google.cloud.scheduler.v1B"
-          + "\010JobProtoP\001ZBgoogle.golang.org/genproto/"
-          + "googleapis/cloud/scheduler/v1;schedulerb"
-          + "\006proto3"
+          + "ogle/rpc/status.proto\"\313\006\n\003Job\022\014\n\004name\030\001 "
+          + "\001(\t\022\023\n\013description\030\002 \001(\t\022@\n\rpubsub_targe"
+          + "t\030\004 \001(\0132\'.google.cloud.scheduler.v1.Pubs"
+          + "ubTargetH\000\022P\n\026app_engine_http_target\030\005 \001"
+          + "(\0132..google.cloud.scheduler.v1.AppEngine"
+          + "HttpTargetH\000\022<\n\013http_target\030\006 \001(\0132%.goog"
+          + "le.cloud.scheduler.v1.HttpTargetH\000\022\020\n\010sc"
+          + "hedule\030\024 \001(\t\022\021\n\ttime_zone\030\025 \001(\t\0224\n\020user_"
+          + "update_time\030\t \001(\0132\032.google.protobuf.Time"
+          + "stamp\0223\n\005state\030\n \001(\0162$.google.cloud.sche"
+          + "duler.v1.Job.State\022\"\n\006status\030\013 \001(\0132\022.goo"
+          + "gle.rpc.Status\0221\n\rschedule_time\030\021 \001(\0132\032."
+          + "google.protobuf.Timestamp\0225\n\021last_attemp"
+          + "t_time\030\022 \001(\0132\032.google.protobuf.Timestamp"
+          + "\022<\n\014retry_config\030\023 \001(\0132&.google.cloud.sc"
+          + "heduler.v1.RetryConfig\0223\n\020attempt_deadli"
+          + "ne\030\026 \001(\0132\031.google.protobuf.Duration\"X\n\005S"
+          + "tate\022\025\n\021STATE_UNSPECIFIED\020\000\022\013\n\007ENABLED\020\001"
+          + "\022\n\n\006PAUSED\020\002\022\014\n\010DISABLED\020\003\022\021\n\rUPDATE_FAI"
+          + "LED\020\004:Z\352AW\n!cloudscheduler.googleapis.co"
+          + "m/Job\0222projects/{project}/locations/{loc"
+          + "ation}/jobs/{job}B\010\n\006target\"\342\001\n\013RetryCon"
+          + "fig\022\023\n\013retry_count\030\001 \001(\005\0225\n\022max_retry_du"
+          + "ration\030\002 \001(\0132\031.google.protobuf.Duration\022"
+          + "7\n\024min_backoff_duration\030\003 \001(\0132\031.google.p"
+          + "rotobuf.Duration\0227\n\024max_backoff_duration"
+          + "\030\004 \001(\0132\031.google.protobuf.Duration\022\025\n\rmax"
+          + "_doublings\030\005 \001(\005Bo\n\035com.google.cloud.sch"
+          + "eduler.v1B\010JobProtoP\001ZBgoogle.golang.org"
+          + "/genproto/googleapis/cloud/scheduler/v1;"
+          + "schedulerb\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -91,7 +90,6 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.protobuf.DurationProto.getDescriptor(),
               com.google.protobuf.TimestampProto.getDescriptor(),
               com.google.rpc.StatusProto.getDescriptor(),
-              com.google.api.AnnotationsProto.getDescriptor(),
             });
     internal_static_google_cloud_scheduler_v1_Job_descriptor =
         getDescriptor().getMessageTypes().get(0);
@@ -137,7 +135,6 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     com.google.protobuf.DurationProto.getDescriptor();
     com.google.protobuf.TimestampProto.getDescriptor();
     com.google.rpc.StatusProto.getDescriptor();
-    com.google.api.AnnotationsProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-scheduler/proto-google-cloud-scheduler-v1/src/main/java/com/google/cloud/scheduler/v1/TargetProto.java b/java-scheduler/proto-google-cloud-scheduler-v1/src/main/java/com/google/cloud/scheduler/v1/TargetProto.java
index 45c003014d92..2b767372611d 100644
--- a/java-scheduler/proto-google-cloud-scheduler-v1/src/main/java/com/google/cloud/scheduler/v1/TargetProto.java
+++ b/java-scheduler/proto-google-cloud-scheduler-v1/src/main/java/com/google/cloud/scheduler/v1/TargetProto.java
@@ -74,50 +74,48 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     java.lang.String[] descriptorData = {
       "\n&google/cloud/scheduler/v1/target.proto"
           + "\022\031google.cloud.scheduler.v1\032\031google/api/"
-          + "resource.proto\032\034google/api/annotations.p"
-          + "roto\"\352\002\n\nHttpTarget\022\013\n\003uri\030\001 \001(\t\022:\n\013http"
-          + "_method\030\002 \001(\0162%.google.cloud.scheduler.v"
-          + "1.HttpMethod\022C\n\007headers\030\003 \003(\01322.google.c"
-          + "loud.scheduler.v1.HttpTarget.HeadersEntr"
-          + "y\022\014\n\004body\030\004 \001(\014\022<\n\013oauth_token\030\005 \001(\0132%.g"
-          + "oogle.cloud.scheduler.v1.OAuthTokenH\000\022:\n"
-          + "\noidc_token\030\006 \001(\0132$.google.cloud.schedul"
-          + "er.v1.OidcTokenH\000\032.\n\014HeadersEntry\022\013\n\003key"
-          + "\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001B\026\n\024authorizati"
-          + "on_header\"\274\002\n\023AppEngineHttpTarget\022:\n\013htt"
-          + "p_method\030\001 \001(\0162%.google.cloud.scheduler."
-          + "v1.HttpMethod\022G\n\022app_engine_routing\030\002 \001("
-          + "\0132+.google.cloud.scheduler.v1.AppEngineR"
-          + "outing\022\024\n\014relative_uri\030\003 \001(\t\022L\n\007headers\030"
-          + "\004 \003(\0132;.google.cloud.scheduler.v1.AppEng"
-          + "ineHttpTarget.HeadersEntry\022\014\n\004body\030\005 \001(\014"
-          + "\032.\n\014HeadersEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002"
-          + " \001(\t:\0028\001\"\322\001\n\014PubsubTarget\0224\n\ntopic_name\030"
-          + "\001 \001(\tB \372A\035\n\033pubsub.googleapis.com/Topic\022"
-          + "\014\n\004data\030\003 \001(\014\022K\n\nattributes\030\004 \003(\01327.goog"
-          + "le.cloud.scheduler.v1.PubsubTarget.Attri"
-          + "butesEntry\0321\n\017AttributesEntry\022\013\n\003key\030\001 \001"
-          + "(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"T\n\020AppEngineRoutin"
-          + "g\022\017\n\007service\030\001 \001(\t\022\017\n\007version\030\002 \001(\t\022\020\n\010i"
-          + "nstance\030\003 \001(\t\022\014\n\004host\030\004 \001(\t\":\n\nOAuthToke"
-          + "n\022\035\n\025service_account_email\030\001 \001(\t\022\r\n\005scop"
-          + "e\030\002 \001(\t\"<\n\tOidcToken\022\035\n\025service_account_"
-          + "email\030\001 \001(\t\022\020\n\010audience\030\002 \001(\t*s\n\nHttpMet"
-          + "hod\022\033\n\027HTTP_METHOD_UNSPECIFIED\020\000\022\010\n\004POST"
-          + "\020\001\022\007\n\003GET\020\002\022\010\n\004HEAD\020\003\022\007\n\003PUT\020\004\022\n\n\006DELETE"
-          + "\020\005\022\t\n\005PATCH\020\006\022\013\n\007OPTIONS\020\007B\265\001\n\035com.googl"
-          + "e.cloud.scheduler.v1B\013TargetProtoP\001ZBgoo"
-          + "gle.golang.org/genproto/googleapis/cloud"
-          + "/scheduler/v1;scheduler\352A@\n\033pubsub.googl"
-          + "eapis.com/Topic\022!projects/{project}/topi"
-          + "cs/{topic}b\006proto3"
+          + "resource.proto\"\352\002\n\nHttpTarget\022\013\n\003uri\030\001 \001"
+          + "(\t\022:\n\013http_method\030\002 \001(\0162%.google.cloud.s"
+          + "cheduler.v1.HttpMethod\022C\n\007headers\030\003 \003(\0132"
+          + "2.google.cloud.scheduler.v1.HttpTarget.H"
+          + "eadersEntry\022\014\n\004body\030\004 \001(\014\022<\n\013oauth_token"
+          + "\030\005 \001(\0132%.google.cloud.scheduler.v1.OAuth"
+          + "TokenH\000\022:\n\noidc_token\030\006 \001(\0132$.google.clo"
+          + "ud.scheduler.v1.OidcTokenH\000\032.\n\014HeadersEn"
+          + "try\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001B\026\n\024a"
+          + "uthorization_header\"\274\002\n\023AppEngineHttpTar"
+          + "get\022:\n\013http_method\030\001 \001(\0162%.google.cloud."
+          + "scheduler.v1.HttpMethod\022G\n\022app_engine_ro"
+          + "uting\030\002 \001(\0132+.google.cloud.scheduler.v1."
+          + "AppEngineRouting\022\024\n\014relative_uri\030\003 \001(\t\022L"
+          + "\n\007headers\030\004 \003(\0132;.google.cloud.scheduler"
+          + ".v1.AppEngineHttpTarget.HeadersEntry\022\014\n\004"
+          + "body\030\005 \001(\014\032.\n\014HeadersEntry\022\013\n\003key\030\001 \001(\t\022"
+          + "\r\n\005value\030\002 \001(\t:\0028\001\"\322\001\n\014PubsubTarget\0224\n\nt"
+          + "opic_name\030\001 \001(\tB \372A\035\n\033pubsub.googleapis."
+          + "com/Topic\022\014\n\004data\030\003 \001(\014\022K\n\nattributes\030\004 "
+          + "\003(\01327.google.cloud.scheduler.v1.PubsubTa"
+          + "rget.AttributesEntry\0321\n\017AttributesEntry\022"
+          + "\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"T\n\020AppEn"
+          + "gineRouting\022\017\n\007service\030\001 \001(\t\022\017\n\007version\030"
+          + "\002 \001(\t\022\020\n\010instance\030\003 \001(\t\022\014\n\004host\030\004 \001(\t\":\n"
+          + "\nOAuthToken\022\035\n\025service_account_email\030\001 \001"
+          + "(\t\022\r\n\005scope\030\002 \001(\t\"<\n\tOidcToken\022\035\n\025servic"
+          + "e_account_email\030\001 \001(\t\022\020\n\010audience\030\002 \001(\t*"
+          + "s\n\nHttpMethod\022\033\n\027HTTP_METHOD_UNSPECIFIED"
+          + "\020\000\022\010\n\004POST\020\001\022\007\n\003GET\020\002\022\010\n\004HEAD\020\003\022\007\n\003PUT\020\004"
+          + "\022\n\n\006DELETE\020\005\022\t\n\005PATCH\020\006\022\013\n\007OPTIONS\020\007B\265\001\n"
+          + "\035com.google.cloud.scheduler.v1B\013TargetPr"
+          + "otoP\001ZBgoogle.golang.org/genproto/google"
+          + "apis/cloud/scheduler/v1;scheduler\352A@\n\033pu"
+          + "bsub.googleapis.com/Topic\022!projects/{pro"
+          + "ject}/topics/{topic}b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
             descriptorData,
             new com.google.protobuf.Descriptors.FileDescriptor[] {
               com.google.api.ResourceProto.getDescriptor(),
-              com.google.api.AnnotationsProto.getDescriptor(),
             });
     internal_static_google_cloud_scheduler_v1_HttpTarget_descriptor =
         getDescriptor().getMessageTypes().get(0);
@@ -206,7 +204,6 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
     com.google.api.ResourceProto.getDescriptor();
-    com.google.api.AnnotationsProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-scheduler/proto-google-cloud-scheduler-v1/src/main/proto/google/cloud/scheduler/v1/job.proto b/java-scheduler/proto-google-cloud-scheduler-v1/src/main/proto/google/cloud/scheduler/v1/job.proto
index d26070266b18..7e43ff1647fd 100644
--- a/java-scheduler/proto-google-cloud-scheduler-v1/src/main/proto/google/cloud/scheduler/v1/job.proto
+++ b/java-scheduler/proto-google-cloud-scheduler-v1/src/main/proto/google/cloud/scheduler/v1/job.proto
@@ -22,7 +22,6 @@ import "google/cloud/scheduler/v1/target.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/timestamp.proto";
 import "google/rpc/status.proto";
-import "google/api/annotations.proto";
 
 option go_package = "google.golang.org/genproto/googleapis/cloud/scheduler/v1;scheduler";
 option java_multiple_files = true;
diff --git a/java-scheduler/proto-google-cloud-scheduler-v1/src/main/proto/google/cloud/scheduler/v1/target.proto b/java-scheduler/proto-google-cloud-scheduler-v1/src/main/proto/google/cloud/scheduler/v1/target.proto
index 9a8f32f7c60e..07466ce97654 100644
--- a/java-scheduler/proto-google-cloud-scheduler-v1/src/main/proto/google/cloud/scheduler/v1/target.proto
+++ b/java-scheduler/proto-google-cloud-scheduler-v1/src/main/proto/google/cloud/scheduler/v1/target.proto
@@ -18,7 +18,6 @@ syntax = "proto3";
 package google.cloud.scheduler.v1;
 
 import "google/api/resource.proto";
-import "google/api/annotations.proto";
 
 option go_package = "google.golang.org/genproto/googleapis/cloud/scheduler/v1;scheduler";
 option java_multiple_files = true;
diff --git a/java-scheduler/proto-google-cloud-scheduler-v1beta1/src/main/java/com/google/cloud/scheduler/v1beta1/JobProto.java b/java-scheduler/proto-google-cloud-scheduler-v1beta1/src/main/java/com/google/cloud/scheduler/v1beta1/JobProto.java
index 3272fc4bf36a..67767286c4d5 100644
--- a/java-scheduler/proto-google-cloud-scheduler-v1beta1/src/main/java/com/google/cloud/scheduler/v1beta1/JobProto.java
+++ b/java-scheduler/proto-google-cloud-scheduler-v1beta1/src/main/java/com/google/cloud/scheduler/v1beta1/JobProto.java
@@ -49,39 +49,38 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "le/api/resource.proto\032+google/cloud/sche"
           + "duler/v1beta1/target.proto\032\036google/proto"
           + "buf/duration.proto\032\037google/protobuf/time"
-          + "stamp.proto\032\027google/rpc/status.proto\032\034go"
-          + "ogle/api/annotations.proto\"\344\006\n\003Job\022\014\n\004na"
-          + "me\030\001 \001(\t\022\023\n\013description\030\002 \001(\t\022E\n\rpubsub_"
-          + "target\030\004 \001(\0132,.google.cloud.scheduler.v1"
-          + "beta1.PubsubTargetH\000\022U\n\026app_engine_http_"
-          + "target\030\005 \001(\01323.google.cloud.scheduler.v1"
-          + "beta1.AppEngineHttpTargetH\000\022A\n\013http_targ"
-          + "et\030\006 \001(\0132*.google.cloud.scheduler.v1beta"
-          + "1.HttpTargetH\000\022\020\n\010schedule\030\024 \001(\t\022\021\n\ttime"
-          + "_zone\030\025 \001(\t\0224\n\020user_update_time\030\t \001(\0132\032."
-          + "google.protobuf.Timestamp\0228\n\005state\030\n \001(\016"
-          + "2).google.cloud.scheduler.v1beta1.Job.St"
-          + "ate\022\"\n\006status\030\013 \001(\0132\022.google.rpc.Status\022"
-          + "1\n\rschedule_time\030\021 \001(\0132\032.google.protobuf"
-          + ".Timestamp\0225\n\021last_attempt_time\030\022 \001(\0132\032."
-          + "google.protobuf.Timestamp\022A\n\014retry_confi"
-          + "g\030\023 \001(\0132+.google.cloud.scheduler.v1beta1"
-          + ".RetryConfig\0223\n\020attempt_deadline\030\026 \001(\0132\031"
-          + ".google.protobuf.Duration\"X\n\005State\022\025\n\021ST"
-          + "ATE_UNSPECIFIED\020\000\022\013\n\007ENABLED\020\001\022\n\n\006PAUSED"
-          + "\020\002\022\014\n\010DISABLED\020\003\022\021\n\rUPDATE_FAILED\020\004:Z\352AW"
-          + "\n!cloudscheduler.googleapis.com/Job\0222pro"
-          + "jects/{project}/locations/{location}/job"
-          + "s/{job}B\010\n\006target\"\342\001\n\013RetryConfig\022\023\n\013ret"
-          + "ry_count\030\001 \001(\005\0225\n\022max_retry_duration\030\002 \001"
-          + "(\0132\031.google.protobuf.Duration\0227\n\024min_bac"
-          + "koff_duration\030\003 \001(\0132\031.google.protobuf.Du"
-          + "ration\0227\n\024max_backoff_duration\030\004 \001(\0132\031.g"
-          + "oogle.protobuf.Duration\022\025\n\rmax_doublings"
-          + "\030\005 \001(\005By\n\"com.google.cloud.scheduler.v1b"
-          + "eta1B\010JobProtoP\001ZGgoogle.golang.org/genp"
-          + "roto/googleapis/cloud/scheduler/v1beta1;"
-          + "schedulerb\006proto3"
+          + "stamp.proto\032\027google/rpc/status.proto\"\344\006\n"
+          + "\003Job\022\014\n\004name\030\001 \001(\t\022\023\n\013description\030\002 \001(\t\022"
+          + "E\n\rpubsub_target\030\004 \001(\0132,.google.cloud.sc"
+          + "heduler.v1beta1.PubsubTargetH\000\022U\n\026app_en"
+          + "gine_http_target\030\005 \001(\01323.google.cloud.sc"
+          + "heduler.v1beta1.AppEngineHttpTargetH\000\022A\n"
+          + "\013http_target\030\006 \001(\0132*.google.cloud.schedu"
+          + "ler.v1beta1.HttpTargetH\000\022\020\n\010schedule\030\024 \001"
+          + "(\t\022\021\n\ttime_zone\030\025 \001(\t\0224\n\020user_update_tim"
+          + "e\030\t \001(\0132\032.google.protobuf.Timestamp\0228\n\005s"
+          + "tate\030\n \001(\0162).google.cloud.scheduler.v1be"
+          + "ta1.Job.State\022\"\n\006status\030\013 \001(\0132\022.google.r"
+          + "pc.Status\0221\n\rschedule_time\030\021 \001(\0132\032.googl"
+          + "e.protobuf.Timestamp\0225\n\021last_attempt_tim"
+          + "e\030\022 \001(\0132\032.google.protobuf.Timestamp\022A\n\014r"
+          + "etry_config\030\023 \001(\0132+.google.cloud.schedul"
+          + "er.v1beta1.RetryConfig\0223\n\020attempt_deadli"
+          + "ne\030\026 \001(\0132\031.google.protobuf.Duration\"X\n\005S"
+          + "tate\022\025\n\021STATE_UNSPECIFIED\020\000\022\013\n\007ENABLED\020\001"
+          + "\022\n\n\006PAUSED\020\002\022\014\n\010DISABLED\020\003\022\021\n\rUPDATE_FAI"
+          + "LED\020\004:Z\352AW\n!cloudscheduler.googleapis.co"
+          + "m/Job\0222projects/{project}/locations/{loc"
+          + "ation}/jobs/{job}B\010\n\006target\"\342\001\n\013RetryCon"
+          + "fig\022\023\n\013retry_count\030\001 \001(\005\0225\n\022max_retry_du"
+          + "ration\030\002 \001(\0132\031.google.protobuf.Duration\022"
+          + "7\n\024min_backoff_duration\030\003 \001(\0132\031.google.p"
+          + "rotobuf.Duration\0227\n\024max_backoff_duration"
+          + "\030\004 \001(\0132\031.google.protobuf.Duration\022\025\n\rmax"
+          + "_doublings\030\005 \001(\005By\n\"com.google.cloud.sch"
+          + "eduler.v1beta1B\010JobProtoP\001ZGgoogle.golan"
+          + "g.org/genproto/googleapis/cloud/schedule"
+          + "r/v1beta1;schedulerb\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -92,7 +91,6 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.protobuf.DurationProto.getDescriptor(),
               com.google.protobuf.TimestampProto.getDescriptor(),
               com.google.rpc.StatusProto.getDescriptor(),
-              com.google.api.AnnotationsProto.getDescriptor(),
             });
     internal_static_google_cloud_scheduler_v1beta1_Job_descriptor =
         getDescriptor().getMessageTypes().get(0);
@@ -138,7 +136,6 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     com.google.protobuf.DurationProto.getDescriptor();
     com.google.protobuf.TimestampProto.getDescriptor();
     com.google.rpc.StatusProto.getDescriptor();
-    com.google.api.AnnotationsProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-scheduler/proto-google-cloud-scheduler-v1beta1/src/main/java/com/google/cloud/scheduler/v1beta1/TargetProto.java b/java-scheduler/proto-google-cloud-scheduler-v1beta1/src/main/java/com/google/cloud/scheduler/v1beta1/TargetProto.java
index 1118344d2123..79f4a379794c 100644
--- a/java-scheduler/proto-google-cloud-scheduler-v1beta1/src/main/java/com/google/cloud/scheduler/v1beta1/TargetProto.java
+++ b/java-scheduler/proto-google-cloud-scheduler-v1beta1/src/main/java/com/google/cloud/scheduler/v1beta1/TargetProto.java
@@ -74,51 +74,50 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     java.lang.String[] descriptorData = {
       "\n+google/cloud/scheduler/v1beta1/target."
           + "proto\022\036google.cloud.scheduler.v1beta1\032\031g"
-          + "oogle/api/resource.proto\032\034google/api/ann"
-          + "otations.proto\"\376\002\n\nHttpTarget\022\013\n\003uri\030\001 \001"
-          + "(\t\022?\n\013http_method\030\002 \001(\0162*.google.cloud.s"
-          + "cheduler.v1beta1.HttpMethod\022H\n\007headers\030\003"
-          + " \003(\01327.google.cloud.scheduler.v1beta1.Ht"
-          + "tpTarget.HeadersEntry\022\014\n\004body\030\004 \001(\014\022A\n\013o"
-          + "auth_token\030\005 \001(\0132*.google.cloud.schedule"
-          + "r.v1beta1.OAuthTokenH\000\022?\n\noidc_token\030\006 \001"
-          + "(\0132).google.cloud.scheduler.v1beta1.Oidc"
-          + "TokenH\000\032.\n\014HeadersEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005"
-          + "value\030\002 \001(\t:\0028\001B\026\n\024authorization_header\""
-          + "\313\002\n\023AppEngineHttpTarget\022?\n\013http_method\030\001"
-          + " \001(\0162*.google.cloud.scheduler.v1beta1.Ht"
-          + "tpMethod\022L\n\022app_engine_routing\030\002 \001(\01320.g"
-          + "oogle.cloud.scheduler.v1beta1.AppEngineR"
-          + "outing\022\024\n\014relative_uri\030\003 \001(\t\022Q\n\007headers\030"
-          + "\004 \003(\0132@.google.cloud.scheduler.v1beta1.A"
-          + "ppEngineHttpTarget.HeadersEntry\022\014\n\004body\030"
-          + "\005 \001(\014\032.\n\014HeadersEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005va"
-          + "lue\030\002 \001(\t:\0028\001\"\327\001\n\014PubsubTarget\0224\n\ntopic_"
-          + "name\030\001 \001(\tB \372A\035\n\033pubsub.googleapis.com/T"
-          + "opic\022\014\n\004data\030\003 \001(\014\022P\n\nattributes\030\004 \003(\0132<"
-          + ".google.cloud.scheduler.v1beta1.PubsubTa"
-          + "rget.AttributesEntry\0321\n\017AttributesEntry\022"
-          + "\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"T\n\020AppEn"
-          + "gineRouting\022\017\n\007service\030\001 \001(\t\022\017\n\007version\030"
-          + "\002 \001(\t\022\020\n\010instance\030\003 \001(\t\022\014\n\004host\030\004 \001(\t\":\n"
-          + "\nOAuthToken\022\035\n\025service_account_email\030\001 \001"
-          + "(\t\022\r\n\005scope\030\002 \001(\t\"<\n\tOidcToken\022\035\n\025servic"
-          + "e_account_email\030\001 \001(\t\022\020\n\010audience\030\002 \001(\t*"
-          + "s\n\nHttpMethod\022\033\n\027HTTP_METHOD_UNSPECIFIED"
-          + "\020\000\022\010\n\004POST\020\001\022\007\n\003GET\020\002\022\010\n\004HEAD\020\003\022\007\n\003PUT\020\004"
-          + "\022\n\n\006DELETE\020\005\022\t\n\005PATCH\020\006\022\013\n\007OPTIONS\020\007B\277\001\n"
-          + "\"com.google.cloud.scheduler.v1beta1B\013Tar"
-          + "getProtoP\001ZGgoogle.golang.org/genproto/g"
-          + "oogleapis/cloud/scheduler/v1beta1;schedu"
-          + "ler\352A@\n\033pubsub.googleapis.com/Topic\022!pro"
-          + "jects/{project}/topics/{topic}b\006proto3"
+          + "oogle/api/resource.proto\"\376\002\n\nHttpTarget\022"
+          + "\013\n\003uri\030\001 \001(\t\022?\n\013http_method\030\002 \001(\0162*.goog"
+          + "le.cloud.scheduler.v1beta1.HttpMethod\022H\n"
+          + "\007headers\030\003 \003(\01327.google.cloud.scheduler."
+          + "v1beta1.HttpTarget.HeadersEntry\022\014\n\004body\030"
+          + "\004 \001(\014\022A\n\013oauth_token\030\005 \001(\0132*.google.clou"
+          + "d.scheduler.v1beta1.OAuthTokenH\000\022?\n\noidc"
+          + "_token\030\006 \001(\0132).google.cloud.scheduler.v1"
+          + "beta1.OidcTokenH\000\032.\n\014HeadersEntry\022\013\n\003key"
+          + "\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001B\026\n\024authorizati"
+          + "on_header\"\313\002\n\023AppEngineHttpTarget\022?\n\013htt"
+          + "p_method\030\001 \001(\0162*.google.cloud.scheduler."
+          + "v1beta1.HttpMethod\022L\n\022app_engine_routing"
+          + "\030\002 \001(\01320.google.cloud.scheduler.v1beta1."
+          + "AppEngineRouting\022\024\n\014relative_uri\030\003 \001(\t\022Q"
+          + "\n\007headers\030\004 \003(\0132@.google.cloud.scheduler"
+          + ".v1beta1.AppEngineHttpTarget.HeadersEntr"
+          + "y\022\014\n\004body\030\005 \001(\014\032.\n\014HeadersEntry\022\013\n\003key\030\001"
+          + " \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"\327\001\n\014PubsubTarget"
+          + "\0224\n\ntopic_name\030\001 \001(\tB \372A\035\n\033pubsub.google"
+          + "apis.com/Topic\022\014\n\004data\030\003 \001(\014\022P\n\nattribut"
+          + "es\030\004 \003(\0132<.google.cloud.scheduler.v1beta"
+          + "1.PubsubTarget.AttributesEntry\0321\n\017Attrib"
+          + "utesEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028"
+          + "\001\"T\n\020AppEngineRouting\022\017\n\007service\030\001 \001(\t\022\017"
+          + "\n\007version\030\002 \001(\t\022\020\n\010instance\030\003 \001(\t\022\014\n\004hos"
+          + "t\030\004 \001(\t\":\n\nOAuthToken\022\035\n\025service_account"
+          + "_email\030\001 \001(\t\022\r\n\005scope\030\002 \001(\t\"<\n\tOidcToken"
+          + "\022\035\n\025service_account_email\030\001 \001(\t\022\020\n\010audie"
+          + "nce\030\002 \001(\t*s\n\nHttpMethod\022\033\n\027HTTP_METHOD_U"
+          + "NSPECIFIED\020\000\022\010\n\004POST\020\001\022\007\n\003GET\020\002\022\010\n\004HEAD\020"
+          + "\003\022\007\n\003PUT\020\004\022\n\n\006DELETE\020\005\022\t\n\005PATCH\020\006\022\013\n\007OPT"
+          + "IONS\020\007B\277\001\n\"com.google.cloud.scheduler.v1"
+          + "beta1B\013TargetProtoP\001ZGgoogle.golang.org/"
+          + "genproto/googleapis/cloud/scheduler/v1be"
+          + "ta1;scheduler\352A@\n\033pubsub.googleapis.com/"
+          + "Topic\022!projects/{project}/topics/{topic}"
+          + "b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
             descriptorData,
             new com.google.protobuf.Descriptors.FileDescriptor[] {
               com.google.api.ResourceProto.getDescriptor(),
-              com.google.api.AnnotationsProto.getDescriptor(),
             });
     internal_static_google_cloud_scheduler_v1beta1_HttpTarget_descriptor =
         getDescriptor().getMessageTypes().get(0);
@@ -211,7 +210,6 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
     com.google.api.ResourceProto.getDescriptor();
-    com.google.api.AnnotationsProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-scheduler/proto-google-cloud-scheduler-v1beta1/src/main/proto/google/cloud/scheduler/v1beta1/job.proto b/java-scheduler/proto-google-cloud-scheduler-v1beta1/src/main/proto/google/cloud/scheduler/v1beta1/job.proto
index ddfda31eddc2..4e8e3777fc82 100644
--- a/java-scheduler/proto-google-cloud-scheduler-v1beta1/src/main/proto/google/cloud/scheduler/v1beta1/job.proto
+++ b/java-scheduler/proto-google-cloud-scheduler-v1beta1/src/main/proto/google/cloud/scheduler/v1beta1/job.proto
@@ -22,7 +22,6 @@ import "google/cloud/scheduler/v1beta1/target.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/timestamp.proto";
 import "google/rpc/status.proto";
-import "google/api/annotations.proto";
 
 option go_package = "google.golang.org/genproto/googleapis/cloud/scheduler/v1beta1;scheduler";
 option java_multiple_files = true;
diff --git a/java-scheduler/proto-google-cloud-scheduler-v1beta1/src/main/proto/google/cloud/scheduler/v1beta1/target.proto b/java-scheduler/proto-google-cloud-scheduler-v1beta1/src/main/proto/google/cloud/scheduler/v1beta1/target.proto
index 4b47e356768b..7f5214f593e6 100644
--- a/java-scheduler/proto-google-cloud-scheduler-v1beta1/src/main/proto/google/cloud/scheduler/v1beta1/target.proto
+++ b/java-scheduler/proto-google-cloud-scheduler-v1beta1/src/main/proto/google/cloud/scheduler/v1beta1/target.proto
@@ -18,7 +18,6 @@ syntax = "proto3";
 package google.cloud.scheduler.v1beta1;
 
 import "google/api/resource.proto";
-import "google/api/annotations.proto";
 
 option go_package = "google.golang.org/genproto/googleapis/cloud/scheduler/v1beta1;scheduler";
 option java_multiple_files = true;
diff --git a/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1/cloudschedulerclient/deletejob/SyncDeleteJob.java b/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1/cloudschedulerclient/deletejob/SyncDeleteJob.java
index 45995ffcf386..2ecced4e5d23 100644
--- a/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1/cloudschedulerclient/deletejob/SyncDeleteJob.java
+++ b/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1/cloudschedulerclient/deletejob/SyncDeleteJob.java
@@ -20,6 +20,7 @@
 import com.google.cloud.scheduler.v1.CloudSchedulerClient;
 import com.google.cloud.scheduler.v1.DeleteJobRequest;
 import com.google.cloud.scheduler.v1.JobName;
+import com.google.protobuf.Empty;
 
 public class SyncDeleteJob {
 
diff --git a/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1/cloudschedulerclient/deletejob/SyncDeleteJobJobname.java b/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1/cloudschedulerclient/deletejob/SyncDeleteJobJobname.java
index 97e14c2d1106..0930527852d7 100644
--- a/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1/cloudschedulerclient/deletejob/SyncDeleteJobJobname.java
+++ b/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1/cloudschedulerclient/deletejob/SyncDeleteJobJobname.java
@@ -19,6 +19,7 @@
 // [START scheduler_v1_generated_cloudschedulerclient_deletejob_jobname_sync]
 import com.google.cloud.scheduler.v1.CloudSchedulerClient;
 import com.google.cloud.scheduler.v1.JobName;
+import com.google.protobuf.Empty;
 
 public class SyncDeleteJobJobname {
 
diff --git a/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1/cloudschedulerclient/deletejob/SyncDeleteJobString.java b/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1/cloudschedulerclient/deletejob/SyncDeleteJobString.java
index d84aebbe666f..d9aca0cfd62d 100644
--- a/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1/cloudschedulerclient/deletejob/SyncDeleteJobString.java
+++ b/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1/cloudschedulerclient/deletejob/SyncDeleteJobString.java
@@ -19,6 +19,7 @@
 // [START scheduler_v1_generated_cloudschedulerclient_deletejob_string_sync]
 import com.google.cloud.scheduler.v1.CloudSchedulerClient;
 import com.google.cloud.scheduler.v1.JobName;
+import com.google.protobuf.Empty;
 
 public class SyncDeleteJobString {
 
diff --git a/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1beta1/cloudschedulerclient/deletejob/SyncDeleteJob.java b/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1beta1/cloudschedulerclient/deletejob/SyncDeleteJob.java
index 1faee9723bf1..a91bdb8e7170 100644
--- a/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1beta1/cloudschedulerclient/deletejob/SyncDeleteJob.java
+++ b/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1beta1/cloudschedulerclient/deletejob/SyncDeleteJob.java
@@ -20,6 +20,7 @@
 import com.google.cloud.scheduler.v1beta1.CloudSchedulerClient;
 import com.google.cloud.scheduler.v1beta1.DeleteJobRequest;
 import com.google.cloud.scheduler.v1beta1.JobName;
+import com.google.protobuf.Empty;
 
 public class SyncDeleteJob {
 
diff --git a/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1beta1/cloudschedulerclient/deletejob/SyncDeleteJobJobname.java b/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1beta1/cloudschedulerclient/deletejob/SyncDeleteJobJobname.java
index 2503b646761f..ff89be60e43b 100644
--- a/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1beta1/cloudschedulerclient/deletejob/SyncDeleteJobJobname.java
+++ b/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1beta1/cloudschedulerclient/deletejob/SyncDeleteJobJobname.java
@@ -19,6 +19,7 @@
 // [START scheduler_v1beta1_generated_cloudschedulerclient_deletejob_jobname_sync]
 import com.google.cloud.scheduler.v1beta1.CloudSchedulerClient;
 import com.google.cloud.scheduler.v1beta1.JobName;
+import com.google.protobuf.Empty;
 
 public class SyncDeleteJobJobname {
 
diff --git a/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1beta1/cloudschedulerclient/deletejob/SyncDeleteJobString.java b/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1beta1/cloudschedulerclient/deletejob/SyncDeleteJobString.java
index bfa1952a5323..b9cf779c7a55 100644
--- a/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1beta1/cloudschedulerclient/deletejob/SyncDeleteJobString.java
+++ b/java-scheduler/samples/snippets/generated/com/google/cloud/scheduler/v1beta1/cloudschedulerclient/deletejob/SyncDeleteJobString.java
@@ -19,6 +19,7 @@
 // [START scheduler_v1beta1_generated_cloudschedulerclient_deletejob_string_sync]
 import com.google.cloud.scheduler.v1beta1.CloudSchedulerClient;
 import com.google.cloud.scheduler.v1beta1.JobName;
+import com.google.protobuf.Empty;
 
 public class SyncDeleteJobString {