diff --git a/src/testhost.arm64/app.config b/src/testhost.arm64/app.config
index 278d358c0c..e889aff770 100644
--- a/src/testhost.arm64/app.config
+++ b/src/testhost.arm64/app.config
@@ -4,9 +4,6 @@
     <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0" />
   </startup>
   <runtime>
-    <gcServer enabled="true" />
-    <gcConcurrent enabled="false" />
-
     <legacyUnhandledExceptionPolicy enabled="1" />
     <legacyCorruptedStateExceptionsPolicy enabled="true" />
 
@@ -65,7 +62,7 @@
     <!--<add key="ExecutionThreadApartmentState" value ="MTA"/>-->
     <!--<add key="TraceLogMaxFileSizeInKb" value ="10240"/>-->
     <!-- MsTest Adapter Specific AppSettings -->
-
+    
     <!-- This flag is added to support test execution for net35 tests through TMI adapter. -->
     <add key="TestProjectRetargetTo35Allowed" value="true" />
   </appSettings>
diff --git a/src/testhost.x86/app.config b/src/testhost.x86/app.config
index 049ba1f19a..a7be49fb01 100644
--- a/src/testhost.x86/app.config
+++ b/src/testhost.x86/app.config
@@ -4,9 +4,6 @@
     <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0" />
   </startup>
   <runtime>
-    <gcServer enabled="true" />
-    <gcConcurrent enabled="false" />
-
     <legacyUnhandledExceptionPolicy enabled="1"/>
     <legacyCorruptedStateExceptionsPolicy enabled="true"/>
 
@@ -65,7 +62,7 @@
     <!--<add key="ExecutionThreadApartmentState" value ="MTA"/>-->
     <!--<add key="TraceLogMaxFileSizeInKb" value ="10240"/>-->
     <!-- MsTest Adapter Specific AppSettings -->
-
+    
     <!-- This flag is added to support test execution for net35 tests through TMI adapter. -->
     <add key="TestProjectRetargetTo35Allowed" value="true" />
   </appSettings>
diff --git a/src/testhost/app.config b/src/testhost/app.config
index 278d358c0c..e889aff770 100644
--- a/src/testhost/app.config
+++ b/src/testhost/app.config
@@ -4,9 +4,6 @@
     <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0" />
   </startup>
   <runtime>
-    <gcServer enabled="true" />
-    <gcConcurrent enabled="false" />
-
     <legacyUnhandledExceptionPolicy enabled="1" />
     <legacyCorruptedStateExceptionsPolicy enabled="true" />
 
@@ -65,7 +62,7 @@
     <!--<add key="ExecutionThreadApartmentState" value ="MTA"/>-->
     <!--<add key="TraceLogMaxFileSizeInKb" value ="10240"/>-->
     <!-- MsTest Adapter Specific AppSettings -->
-
+    
     <!-- This flag is added to support test execution for net35 tests through TMI adapter. -->
     <add key="TestProjectRetargetTo35Allowed" value="true" />
   </appSettings>
diff --git a/src/vstest.console/app.config b/src/vstest.console/app.config
index 82c7f1d5a7..bbc2c9a12b 100644
--- a/src/vstest.console/app.config
+++ b/src/vstest.console/app.config
@@ -4,9 +4,6 @@
     <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0" />
   </startup>
   <runtime>
-    <gcServer enabled="true" />
-    <gcConcurrent enabled="false" />
-
     <legacyUnhandledExceptionPolicy enabled="1" />
 
     <!-- To get stacktrace information for portable and embedded pdbs when net472 installed on machine.