diff --git a/WINGs/wbrowser.c b/WINGs/wbrowser.c
index f1a29a18..d3904070 100644
--- a/WINGs/wbrowser.c
+++ b/WINGs/wbrowser.c
@@ -480,6 +480,9 @@ static void paintItem(WMList * lPtr, int index, Drawable d, char *text, int stat
 	WMColor *backColor = ((state & WLDSSelected) ? scr->white : view->backColor);
 	int width, height, x, y, textLen;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) index;
+
 	width = rect->size.width;
 	height = rect->size.height;
 	x = rect->pos.x;
diff --git a/WINGs/wcolorpanel.c b/WINGs/wcolorpanel.c
index 78e5649d..d6bd79cf 100644
--- a/WINGs/wcolorpanel.c
+++ b/WINGs/wcolorpanel.c
@@ -1129,6 +1129,9 @@ static void closeWindowCallback(WMWidget * w, void *data)
 {
 	W_ColorPanel *panel = (W_ColorPanel *) data;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) w;
+
 	WMCloseColorPanel(panel);
 }
 
@@ -1680,6 +1683,9 @@ static void magnifyPutCursor(WMWidget * w, void *data)
 	XEvent event;
 	WMPoint initialPosition;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) w;
+
 	/* Destroy wheelBackImg, so it'll update properly */
 	if (panel->selectionBackImg) {
 		XFreePixmap(WMWidgetScreen(panel->win)->display, panel->selectionBackImg);
@@ -2130,6 +2136,9 @@ static void wheelBrightnessSliderCallback(WMWidget * w, void *data)
 
 	W_ColorPanel *panel = (W_ColorPanel *) data;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) w;
+
 	value = 255 - WMGetSliderValue(panel->wheelBrightnessS);
 
 	wheelCalculateValues(panel, value);
@@ -2275,6 +2284,9 @@ static void grayBrightnessSliderCallback(WMWidget * w, void *data)
 	char tmp[4];
 	W_ColorPanel *panel = (W_ColorPanel *) data;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) w;
+
 	value = WMGetSliderValue(panel->grayBrightnessS);
 
 	sprintf(tmp, "%d", value);
@@ -2350,6 +2362,9 @@ static void rgbSliderCallback(WMWidget * w, void *data)
 	char tmp[4];
 	W_ColorPanel *panel = (W_ColorPanel *) data;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) w;
+
 	value[0] = WMGetSliderValue(panel->rgbRedS);
 	value[1] = WMGetSliderValue(panel->rgbGreenS);
 	value[2] = WMGetSliderValue(panel->rgbBlueS);
@@ -2422,6 +2437,9 @@ static void cmykSliderCallback(WMWidget * w, void *data)
 	W_ColorPanel *panel = (W_ColorPanel *) data;
 	double scale;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) w;
+
 	value[0] = WMGetSliderValue(panel->cmykCyanS);
 	value[1] = WMGetSliderValue(panel->cmykMagentaS);
 	value[2] = WMGetSliderValue(panel->cmykYellowS);
@@ -2862,6 +2880,9 @@ static void customPaletteMenuCallback(WMWidget * w, void *data)
 	W_ColorPanel *panel = (W_ColorPanel *) data;
 	int item = WMGetPopUpButtonSelectedItem(panel->customPaletteMenuBtn);
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) w;
+
 	switch (item) {
 	case CPmenuNewFromFile:
 		customPaletteMenuNewFromFile(panel);
@@ -3200,6 +3221,9 @@ static void colorListColorMenuCallback(WMWidget * w, void *data)
 	W_ColorPanel *panel = (W_ColorPanel *) data;
 	int item = WMGetPopUpButtonSelectedItem(panel->colorListColorMenuBtn);
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) w;
+
 	switch (item) {
 	case CLmenuAdd:
 		break;
@@ -3215,6 +3239,9 @@ static void colorListListMenuCallback(WMWidget * w, void *data)
 	W_ColorPanel *panel = (W_ColorPanel *) data;
 	int item = WMGetPopUpButtonSelectedItem(panel->colorListListMenuBtn);
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) w;
+
 	switch (item) {
 	case CLmenuAdd:
 		/* New Color List */
diff --git a/WINGs/wfilepanel.c b/WINGs/wfilepanel.c
index 56fdda51..8219ee63 100644
--- a/WINGs/wfilepanel.c
+++ b/WINGs/wfilepanel.c
@@ -551,6 +551,10 @@ static void fillColumn(WMBrowserDelegate * self, WMBrowser * bPtr, int column, W
 	char *path;
 	WMFilePanel *panel;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) self;
+	(void) list;
+
 	if (column > 0) {
 		path = WMGetBrowserPathToColumn(bPtr, column - 1);
 	} else {
@@ -566,6 +570,9 @@ static void browserDClick(WMWidget *widget, void *p_panel)
 {
 	WMFilePanel *panel = p_panel;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) widget;
+
 	WMPerformButtonClick(panel->okButton);
 }
 
@@ -604,6 +611,9 @@ static void createDir(WMWidget *widget, void *p_panel)
 	size_t slen;
 	WMScreen *scr = WMWidgetScreen(panel->win);
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) widget;
+
 	dirName = WMRunInputPanel(scr, panel->win, _("Create Directory"),
 				  _("Enter directory name"), "", _("OK"), _("Cancel"));
 	if (!dirName)
@@ -688,6 +698,9 @@ static void deleteFile(WMWidget *widget, void *p_panel)
 	WMScreen *scr = WMWidgetScreen(panel->win);
 #define __msgbufsize__ 512
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) widget;
+
 	buffer = wmalloc(__msgbufsize__);
 	file = getCurrentFileName(panel);
 	normalizePath(file);
@@ -733,6 +746,9 @@ static void goFloppy(WMWidget *widget, void *p_panel)
 	struct stat filestat;
 	WMScreen *scr = WMWidgetScreen(panel->win);
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) widget;
+
 	if (stat(WINGsConfiguration.floppyPath, &filestat)) {
 		showError(scr, panel->win, _("An error occured browsing '%s'."), WINGsConfiguration.floppyPath);
 		return;
@@ -749,6 +765,9 @@ static void goHome(WMWidget *widget, void *p_panel)
 	WMFilePanel *panel = p_panel;
 	char *home;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) widget;
+
 	/* home is statically allocated. Don't free it! */
 	home = wgethomedir();
 	if (!home)
diff --git a/WINGs/wfontpanel.c b/WINGs/wfontpanel.c
index c6df7b3f..3f290517 100644
--- a/WINGs/wfontpanel.c
+++ b/WINGs/wfontpanel.c
@@ -85,6 +85,10 @@ static void listFamilies(WMScreen * scr, WMFontPanel * panel);
 
 static void splitViewConstrainCallback(WMSplitView * sPtr, int indView, int *min, int *max)
 {
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) sPtr;
+	(void) max;
+
 	if (indView == 0)
 		*min = MIN_UPPER_HEIGHT;
 	else
@@ -138,6 +142,9 @@ static void closeWindow(WMWidget * w, void *data)
 {
 	FontPanel *panel = (FontPanel *) data;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) w;
+
 	WMHideFontPanel(panel);
 }
 
@@ -145,12 +152,19 @@ static void setClickedAction(WMWidget * w, void *data)
 {
 	FontPanel *panel = (FontPanel *) data;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) w;
+
 	if (panel->action)
 		(*panel->action) (panel, panel->data);
 }
 
 static void revertClickedAction(WMWidget * w, void *data)
 {
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) w;
+	(void) data;
+
 	/*FontPanel *panel = (FontPanel*)data; */
 	/* XXX TODO */
 }
@@ -676,6 +690,9 @@ static void typefaceClick(WMWidget * w, void *data)
 	int sizei = -1;
 	void *size;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) w;
+
 	osize = WMGetTextFieldText(panel->sizT);
 
 	item = WMGetListSelectedItem(panel->typLs);
@@ -715,6 +732,9 @@ static void sizeClick(WMWidget * w, void *data)
 	FontPanel *panel = (FontPanel *) data;
 	WMListItem *item;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) w;
+
 	item = WMGetListSelectedItem(panel->sizLs);
 	WMSetTextFieldText(panel->sizT, item->text);
 
diff --git a/WINGs/wtext.c b/WINGs/wtext.c
index 8bb60161..99b15b94 100644
--- a/WINGs/wtext.c
+++ b/WINGs/wtext.c
@@ -2678,6 +2678,9 @@ static void rulerMoveCallBack(WMWidget * w, void *self)
 {
 	Text *tPtr = (Text *) self;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) w;
+
 	if (!tPtr)
 		return;
 	if (W_CLASS(tPtr) != WC_Text)
@@ -2690,6 +2693,9 @@ static void rulerReleaseCallBack(WMWidget * w, void *self)
 {
 	Text *tPtr = (Text *) self;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) w;
+
 	if (!tPtr)
 		return;
 	if (W_CLASS(tPtr) != WC_Text)