diff --git a/client/cpw/mods/fml/client/FMLClientHandler.java b/client/cpw/mods/fml/client/FMLClientHandler.java
index 2e1040ee67..bc204a0734 100644
--- a/client/cpw/mods/fml/client/FMLClientHandler.java
+++ b/client/cpw/mods/fml/client/FMLClientHandler.java
@@ -419,8 +419,6 @@ public class FMLClientHandler implements IFMLSidedHandler
     @Override
     public byte getClientCompatibilityLevel()
     {
-        System.out.printf("Client Compatibility %d\n", NetClientHandler.getConnectionCompatibilityLevel());
-        Thread.dumpStack();
         return NetClientHandler.getConnectionCompatibilityLevel();
     }
 }
diff --git a/common/cpw/mods/fml/server/FMLServerHandler.java b/common/cpw/mods/fml/server/FMLServerHandler.java
index e2c20c0aa5..60511c9e68 100644
--- a/common/cpw/mods/fml/server/FMLServerHandler.java
+++ b/common/cpw/mods/fml/server/FMLServerHandler.java
@@ -172,8 +172,6 @@ public class FMLServerHandler implements IFMLSidedHandler
     @Override
     public byte getClientCompatibilityLevel()
     {
-        System.out.printf("Server Compatibility %d\n", 0);
-        Thread.dumpStack();
         return 0;
     }
 }