diff --git a/src/main/java/org/kohsuke/github/GHBranch.java b/src/main/java/org/kohsuke/github/GHBranch.java
index efc854518e..272c643f47 100644
--- a/src/main/java/org/kohsuke/github/GHBranch.java
+++ b/src/main/java/org/kohsuke/github/GHBranch.java
@@ -17,7 +17,10 @@ public class GHBranch {
     private Commit commit;
 
     public static class Commit {
-        String sha,url;
+        String sha;
+        
+        @SuppressFBWarnings(value = "UUF_UNUSED_FIELD", justification = "We don't provide it in API now")
+        String url;
     }
 
     public GitHub getRoot() {
@@ -41,7 +44,7 @@ public String getName() {
     public String getSHA1() {
         return commit.sha;
     }
-
+    
     @Override
     public String toString() {
         final String url = owner != null ? owner.getUrl().toString() : "unknown";
diff --git a/src/main/java/org/kohsuke/github/GHCommit.java b/src/main/java/org/kohsuke/github/GHCommit.java
index 15b13781e6..b45683f2d2 100644
--- a/src/main/java/org/kohsuke/github/GHCommit.java
+++ b/src/main/java/org/kohsuke/github/GHCommit.java
@@ -156,13 +156,19 @@ public String getSha() {
     }
 
     public static class Parent {
-        String url,sha;
+        @SuppressFBWarnings(value = "UUF_UNUSED_FIELD", justification = "We don't provide it in API now")
+        String url;  
+        String sha;
     }
 
     static class User {
         // TODO: what if someone who doesn't have an account on GitHub makes a commit?
-        String url,avatar_url,login,gravatar_id;
+        @SuppressFBWarnings(value = "UUF_UNUSED_FIELD", justification = "We don't provide it in API now")
+        String url,avatar_url,gravatar_id;
+        @SuppressFBWarnings(value = "UUF_UNUSED_FIELD", justification = "We don't provide it in API now")
         int id;
+        
+        String login;
     }
 
     String url,sha;
diff --git a/src/main/java/org/kohsuke/github/GHCommitComment.java b/src/main/java/org/kohsuke/github/GHCommitComment.java
index 1630153285..7020f9b98f 100644
--- a/src/main/java/org/kohsuke/github/GHCommitComment.java
+++ b/src/main/java/org/kohsuke/github/GHCommitComment.java
@@ -25,8 +25,12 @@ public class GHCommitComment extends GHObject {
 
     static class User {
         // TODO: what if someone who doesn't have an account on GitHub makes a commit?
-        String url,avatar_url,login,gravatar_id;
+        @SuppressFBWarnings(value = "UUF_UNUSED_FIELD", justification = "We don't provide it in API now")
+        String url,avatar_url,gravatar_id;
+        @SuppressFBWarnings(value = "UUF_UNUSED_FIELD", justification = "We don't provide it in API now")
         int id;
+        
+        String login;
     }
 
     public GHRepository getOwner() {
diff --git a/src/main/java/org/kohsuke/github/GHEventInfo.java b/src/main/java/org/kohsuke/github/GHEventInfo.java
index 89b79efb29..9772cba16e 100644
--- a/src/main/java/org/kohsuke/github/GHEventInfo.java
+++ b/src/main/java/org/kohsuke/github/GHEventInfo.java
@@ -32,7 +32,9 @@ public class GHEventInfo {
     @SuppressFBWarnings(value = {"UWF_UNWRITTEN_PUBLIC_OR_PROTECTED_FIELD", "UWF_UNWRITTEN_FIELD",
         "UWF_FIELD_NOT_INITIALIZED_IN_CONSTRUCTOR" }, justification = "JSON API")
     public static class GHEventRepository {
+        @SuppressFBWarnings(value = "UUF_UNUSED_FIELD", justification = "We don't provide it in API now")
         private int id;
+        @SuppressFBWarnings(value = "UUF_UNUSED_FIELD", justification = "We don't provide it in API now")
         private String url;     // repository API URL
         private String name;    // owner/repo
     }
diff --git a/src/main/java/org/kohsuke/github/GHPullRequestCommitDetail.java b/src/main/java/org/kohsuke/github/GHPullRequestCommitDetail.java
index 1abd024a29..d4b48da538 100644
--- a/src/main/java/org/kohsuke/github/GHPullRequestCommitDetail.java
+++ b/src/main/java/org/kohsuke/github/GHPullRequestCommitDetail.java
@@ -92,6 +92,10 @@ public URL getUrl() {
         public int getComment_count() {
             return comment_count;
         }
+
+        public Tree getTree() {
+            return tree;
+        }
     }
 
     public static class CommitPointer {
diff --git a/src/main/java/org/kohsuke/github/GHThread.java b/src/main/java/org/kohsuke/github/GHThread.java
index c2d4aa12c0..a1964b10de 100644
--- a/src/main/java/org/kohsuke/github/GHThread.java
+++ b/src/main/java/org/kohsuke/github/GHThread.java
@@ -70,6 +70,10 @@ public String getTitle() {
     public String getType() {
         return subject.type;
     }
+    
+    public String getLastCommentUrl() {
+        return subject.latest_comment_url;
+    }
 
     /**
      * If this thread is about an issue, return that issue.