diff --git a/sleepyhead/Graphs/gGraph.cpp b/sleepyhead/Graphs/gGraph.cpp
index f478a728..795929aa 100644
--- a/sleepyhead/Graphs/gGraph.cpp
+++ b/sleepyhead/Graphs/gGraph.cpp
@@ -1430,26 +1430,6 @@ int gGraph::minHeight()
     return minheight;
 }
 
-inline void GetTextExtent(QString text, int &width, int &height, QFont *font)
-{
-#ifdef ENABLE_THREADED_DRAWING
-    static QMutex mut;
-    mut.lock();
-#endif
-    QFontMetrics fm(*font);
-    //#ifdef Q_OS_WIN32
-    QRect r = fm.boundingRect(text);
-    width = r.width();
-    height = r.height();
-    //#else
-    //    width=fm.width(text);
-    //    height=fm.xHeight()+2; // doesn't work properly on windows..
-    //#endif
-#ifdef ENABLE_THREADED_DRAWING
-    mut.unlock();
-#endif
-}
-
 int GetXHeight(QFont *font)
 {
     QFontMetrics fm(*font);
diff --git a/sleepyhead/Graphs/gGraph.h b/sleepyhead/Graphs/gGraph.h
index 3bf46e0f..119f8369 100644
--- a/sleepyhead/Graphs/gGraph.h
+++ b/sleepyhead/Graphs/gGraph.h
@@ -34,6 +34,14 @@ void DestroyGraphGlobals();
 
 const int mouse_movement_threshold = 6;
 
+inline void GetTextExtent(QString text, int &width, int &height, QFont *font)
+{
+    QFontMetrics fm(*font);
+    QRect r = fm.boundingRect(text);
+    width = r.width();
+    height = r.height();
+}
+
 /*! \class gGraph
     \brief Single Graph object, containing multiple layers and Layer layout code
     */