diff --git a/src/tools/buildoutputparser/outputprocessor.cpp b/src/tools/buildoutputparser/outputprocessor.cpp
index 9dde02d9d31..e738cfeb4cb 100644
--- a/src/tools/buildoutputparser/outputprocessor.cpp
+++ b/src/tools/buildoutputparser/outputprocessor.cpp
@@ -74,8 +74,8 @@ void CompilerOutputProcessor::start()
 #endif
     }
 
-    connect(&parser, SIGNAL(addTask(ProjectExplorer::Task)),
-            SLOT(handleTask(ProjectExplorer::Task)));
+    connect(&parser, &ProjectExplorer::IOutputParser::addTask,
+            this, &CompilerOutputProcessor::handleTask);
     while (!m_source.atEnd())
         parser.stdError(QString::fromLocal8Bit(m_source.readLine().trimmed()));
     qApp->quit();
diff --git a/src/tools/buildoutputparser/outputprocessor.h b/src/tools/buildoutputparser/outputprocessor.h
index c83328a756b..510ef5473b1 100644
--- a/src/tools/buildoutputparser/outputprocessor.h
+++ b/src/tools/buildoutputparser/outputprocessor.h
@@ -47,11 +47,10 @@ public:
     CompilerOutputProcessor(CompilerType compilerType, QIODevice &source);
      ~CompilerOutputProcessor();
 
-private slots:
+private:
     void start();
     void handleTask(const ProjectExplorer::Task &task);
 
-private:
     const CompilerType m_compilerType;
     QIODevice &m_source;
     QTextStream * const m_ostream;