diff --git a/src/plugins/debugger/debuggerengine.h b/src/plugins/debugger/debuggerengine.h
index e732821a227..36dbf8e0d4c 100644
--- a/src/plugins/debugger/debuggerengine.h
+++ b/src/plugins/debugger/debuggerengine.h
@@ -443,7 +443,6 @@ public:
     void handleAddToWatchWindow();
     void handleFrameDown();
     void handleFrameUp();
-    void handleOperateByInstructionTriggered(bool operateByInstructionTriggered);
 
     // Breakpoint state transitions
     void notifyBreakpointInsertProceeding(const Breakpoint &bp);
diff --git a/src/plugins/debugger/debuggerplugin.cpp b/src/plugins/debugger/debuggerplugin.cpp
index b68d3eb5f6e..e91947dea3c 100644
--- a/src/plugins/debugger/debuggerplugin.cpp
+++ b/src/plugins/debugger/debuggerplugin.cpp
@@ -731,8 +731,6 @@ public:
 
     void onStartupProjectChanged(Project *project);
 
-    void handleOperateByInstructionTriggered(bool operateByInstructionTriggered);
-
     bool parseArgument(QStringList::const_iterator &it,
         const QStringList::const_iterator &cend, QString *errorMessage);
     bool parseArguments(const QStringList &args, QString *errorMessage);