diff --git a/engines/lab/special.cpp b/engines/lab/special.cpp
index 69a8aaedaf0..6c96d182130 100644
--- a/engines/lab/special.cpp
+++ b/engines/lab/special.cpp
@@ -59,8 +59,7 @@ static bool GotBackImage = false;
 static uint16 monitorPage;
 static const char *TextFileName;
 
-Image *MonButton, *AltMonButton, *MonQuit, *AltMonQuit, *MonBack, *AltMonBack,
-*MonDown, *AltMonDown, *MonUp, *AltMonUp;
+Image *MonButton;
 
 extern uint16 *FadePalette;
 extern BitMap *DispBitMap, *DrawBitMap;
@@ -450,16 +449,6 @@ bool LabEngine::saveRestoreGame() {
 	return isOK;
 }
 
-/*****************************************************************************/
-/* Makes sure that the buttons are in memory.                                */
-/*****************************************************************************/
-static void getMonImages() {
-	Common::File *buttonFile = g_lab->_resource->openDataFile("P:MonImage");
-	MonButton = new Image(buttonFile);
-	delete buttonFile;
-}
-
-
 /*****************************************************************************/
 /* Draws the text for the monitor.                                           */
 /*****************************************************************************/
@@ -639,7 +628,9 @@ void LabEngine::doMonitor(char *background, char *textfile, bool isinteractive,
 	FadePalette = hipal;
 
 	TextFont *monitorFont = _resource->getFont("P:Map.fon");
-	getMonImages();
+	Common::File *buttonFile = g_lab->_resource->openDataFile("P:MonImage");
+	MonButton = new Image(buttonFile);
+	delete buttonFile;
 
 	ntext = _resource->getText(textfile);
 	loadBackPict(background, false);