diff --git a/src/kits/debug/DebugMessageHandler.cpp b/src/kits/debug/DebugMessageHandler.cpp
index 205f472323..a2a0aece00 100644
--- a/src/kits/debug/DebugMessageHandler.cpp
+++ b/src/kits/debug/DebugMessageHandler.cpp
@@ -54,8 +54,6 @@ BDebugMessageHandler::HandleDebugMessage(int32 messageCode,
 			return HandleThreadCreated(message.thread_created);
 		case B_DEBUGGER_MESSAGE_THREAD_DELETED:
 			return HandleThreadDeleted(message.thread_deleted);
-		case B_DEBUGGER_MESSAGE_THREAD_RENAMED:
-			return HandleThreadRenamed(message.thread_renamed);
 		case B_DEBUGGER_MESSAGE_IMAGE_CREATED:
 			return HandleImageCreated(message.image_created);
 		case B_DEBUGGER_MESSAGE_IMAGE_DELETED:
@@ -175,23 +173,6 @@ BDebugMessageHandler::HandleThreadCreated(const debug_thread_created& message)
 }
 
 
-bool
-BDebugMessageHandler::HandleThreadRenamed(const debug_thread_renamed& message)
-{
-	return UnhandledDebugMessage(B_DEBUGGER_MESSAGE_THREAD_RENAMED,
-		(const debug_debugger_message_data&)message);
-}
-
-
-bool
-BDebugMessageHandler::HandleThreadPriorityChanged(
-	const debug_thread_priority_changed& message)
-{
-	return UnhandledDebugMessage(B_DEBUGGER_MESSAGE_THREAD_PRIORITY_CHANGED,
-		(const debug_debugger_message_data&)message);
-}
-
-
 bool
 BDebugMessageHandler::HandleThreadDeleted(const debug_thread_deleted& message)
 {