diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index b1068f3..a95a7dd 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -119,52 +119,20 @@ endif( )
 qt_message( "  UIC_EXECUTABLE: ${UIC_EXECUTABLE}" )
 
 
+# check if TQt3 is usable
 tde_save( CMAKE_REQUIRED_INCLUDES CMAKE_REQUIRED_LIBRARIES )
+
+set( TQT_LIBRARIES tqt-mt )
 set( CMAKE_REQUIRED_INCLUDES ${TQT_INCLUDE_DIR} )
 set( CMAKE_REQUIRED_LIBRARIES -L${TQT_LIBRARY_DIR} ${TQT_LIBRARIES} )
 
-# check if TQt3 is usable
-check_cxx_source_compiles("
-	#include <qapplication.h>
-	int main(int argc, char **argv) { QApplication app(argc, argv); return 0; } "
-	HAVE_USABLE_QT${QT_VERSION} )
-	if( NOT HAVE_USABLE_QT${QT_VERSION} )
-		# Unset the Qt detection variable
-		unset( HAVE_USABLE_QT${QT_VERSION} CACHE )
-		# Reset libraries
-		set( TQT_LIBRARIES tqt-mt )
-		set( CMAKE_REQUIRED_LIBRARIES -L${TQT_LIBRARY_DIR} ${TQT_LIBRARIES} )
-		qt_message( "Looking for native TQt3..." )
-		check_cxx_source_compiles("
-			#include <ntqapplication.h>
-			int main(int argc, char **argv) { TQApplication app(argc, argv); return 0; } "
-			HAVE_USABLE_QT${QT_VERSION} )
-	endif( )
-if( NOT HAVE_USABLE_QT${QT_VERSION} )
-  tde_message_fatal( "Unable to build a simple Qt${QT_VERSION} test." )
-endif( )
-
-# check if Qt3 is patched for compatibility with TQt
+qt_message( "Looking for native TQt3..." )
 check_cxx_source_compiles("
-	#include <qobjectlist.h>
-	#include <qobject.h>
-	int main(int, char**) { QObject::objectTreesListObject(); return 0; } "
-	HAVE_PATCHED_QT3 )
-	if( NOT HAVE_PATCHED_QT3 )
-		# Unset the Qt detection variable
-		unset( HAVE_PATCHED_QT3 CACHE )
-		# Reset libraries
-		set( TQT_LIBRARIES tqt-mt )
-		set( CMAKE_REQUIRED_LIBRARIES -L${TQT_LIBRARY_DIR} ${TQT_LIBRARIES} )
-		qt_message( "Looking for patched native TQt3..." )
-		check_cxx_source_compiles("
-			#include <ntqobjectlist.h>
-			#include <ntqobject.h>
-			int main(int, char**) { TQObject::objectTreesListObject(); return 0; } "
-			HAVE_PATCHED_QT3 )
-	endif( )
-if( NOT HAVE_PATCHED_QT3 )
-	tde_message_fatal( "Your Qt3 is not patched for compatibility with tqtinterface." )
+	#include <ntqapplication.h>
+	int main(int argc, char **argv) { TQApplication app(argc, argv); return 0; } "
+	HAVE_USABLE_QT)
+if( NOT HAVE_USABLE_QT )
+  tde_message_fatal( "Unable to build a simple TQt${QT_VERSION} test." )
 endif( )
 
 tde_restore( CMAKE_REQUIRED_INCLUDES CMAKE_REQUIRED_LIBRARIES )