if 0 some code - the calling code is if 0'd as well

src/plugins/debugger/gdb/remotegdbadapter.cpp

@@ -175,6 +175,7 @@ void RemoteGdbAdapter::prepareInferior()
 #endif
 }
 
+#if 0
 void RemoteGdbAdapter::handleSetTargetAsync(const GdbResponse &response)
 {
     QTC_ASSERT(state() == InferiorPreparing, qDebug() << state());
@@ -190,6 +191,7 @@ void RemoteGdbAdapter::handleSetTargetAsync(const GdbResponse &response)
         emit inferiorPreparationFailed(msg);
     }
 }
+#endif
 
 void RemoteGdbAdapter::handleFileExecAndSymbols(const GdbResponse &response)
 {

src/plugins/debugger/gdb/remotegdbadapter.h

@@ -65,7 +65,9 @@ private:
     Q_SLOT void readUploadStandardError();
     Q_SLOT void uploadProcError(QProcess::ProcessError error);
 
+#if 0
     void handleSetTargetAsync(const GdbResponse &response);
+#endif
     void handleFileExecAndSymbols(const GdbResponse &response);
     void handleTargetRemote(const GdbResponse &response);
     void handleKill(const GdbResponse &response);