diff --git a/samples/qt/Makefile b/samples/qt/Makefile
index b02aba9bb..43d09cdd4 100644
--- a/samples/qt/Makefile
+++ b/samples/qt/Makefile
@@ -7,7 +7,7 @@ qt: $(OBJ)
 	$(CC) $(LDFLAGS) -o $(EXECPATH)/$@ $(OBJ) -lsfml-graphics -lsfml-window -lsfml-system -lQtCore -lQtGui -lX11
 
 %.o: %.cpp
-	$(CC) -o $@ -c $< $(CFLAGS) -I/usr/include/qt4
+	$(CC) -o $@ -c $< $(CFLAGS) -I/usr/include/qt4 -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui
 
 .PHONY: clean mrproper
 
diff --git a/src/SFML/Window/Linux/WindowImplX11.cpp b/src/SFML/Window/Linux/WindowImplX11.cpp
index fa0bd8ef5..edec19b02 100644
--- a/src/SFML/Window/Linux/WindowImplX11.cpp
+++ b/src/SFML/Window/Linux/WindowImplX11.cpp
@@ -349,20 +349,11 @@ WindowImplX11::~WindowImplX11()
     // Close the display
     CloseDisplay();
 }
-
-
+
+
 ////////////////////////////////////////////////////////////
 /// Check if there's an active context on the current thread
-////////////////////
 ////////////////////////////////////////////////////////////
-/// Filter the received events
-/// (only allow those matching a specific window)
-////////////////////////////////////////////////////////////
-Bool CheckEvent(::Display*, XEvent* Event, XPointer UserData)
-{
-    // Just check if the event matches our window
-    return Event->xany.window == reinterpret_cast< ::Window >(UserData);
-}////////////////////////////////////////
 bool WindowImplX11::IsContextActive()
 {
     return glXGetCurrentContext() != NULL;