diff --git a/src/dialogxml/widgets/control.cpp b/src/dialogxml/widgets/control.cpp
index 677a16fc..4f222cc9 100644
--- a/src/dialogxml/widgets/control.cpp
+++ b/src/dialogxml/widgets/control.cpp
@@ -110,80 +110,6 @@ const char* xUnsupportedProp::what() const throw(){
 	return msg;
 }
 
-eKeyMod operator + (eKeyMod lhs, eKeyMod rhs){
-	if(lhs == rhs) return lhs;
-	else if(lhs == mod_none) return rhs;
-	else if(lhs == mod_alt){
-		if(rhs == mod_shift || rhs == mod_altshift) return mod_altshift;
-		else if(rhs == mod_ctrl || rhs == mod_altctrl) return mod_altctrl;
-		else if(rhs == mod_shiftctrl || rhs == mod_all) return mod_all;
-		else return mod_alt;
-	}else if(lhs == mod_shift){
-		if(rhs == mod_alt || rhs == mod_altshift) return mod_altshift;
-		else if(rhs == mod_ctrl || rhs == mod_shiftctrl) return mod_shiftctrl;
-		else if(rhs == mod_altctrl || rhs == mod_all) return mod_all;
-		else return mod_shift;
-	}else if(lhs == mod_ctrl){
-		if(rhs == mod_alt || rhs == mod_altctrl) return mod_altctrl;
-		else if(rhs == mod_shift || rhs == mod_shiftctrl) return mod_shiftctrl;
-		else if(rhs == mod_altshift || rhs == mod_all) return mod_all;
-		else return mod_ctrl;
-	}else return rhs + lhs;
-}
-
-eKeyMod operator - (eKeyMod lhs, eKeyMod rhs){
-	if(lhs == rhs || lhs == mod_none || rhs == mod_all) return mod_none;
-	else if(rhs == mod_none) return lhs;
-	else if(lhs == mod_all){
-		if(rhs == mod_alt) return mod_shiftctrl;
-		else if(rhs == mod_shift) return mod_altctrl;
-		else if(rhs == mod_ctrl) return mod_altshift;
-		else if(rhs == mod_altshift) return mod_ctrl;
-		else if(rhs == mod_altctrl) return mod_shift;
-		else if(rhs == mod_shiftctrl) return mod_alt;
-		else return mod_all;
-	}else if(lhs == mod_shiftctrl){
-		if(rhs == mod_shift || rhs == mod_altshift) return mod_ctrl;
-		else if(rhs == mod_ctrl || rhs == mod_altctrl) return mod_shift;
-		else return mod_shiftctrl;
-	}else if(lhs == mod_altctrl){
-		if(rhs == mod_alt || rhs == mod_altshift) return mod_ctrl;
-		else if(rhs == mod_ctrl || rhs == mod_shiftctrl) return mod_alt;
-		else return mod_altctrl;
-	}else if(lhs == mod_altshift){
-		if(rhs == mod_alt || rhs == mod_altctrl) return mod_shift;
-		else if(rhs == mod_shift || rhs == mod_shiftctrl) return mod_alt;
-		else return mod_altshift;
-	}else if(lhs == mod_alt && (rhs == mod_altshift || rhs == mod_altctrl))
-		return mod_none;
-	else if(lhs == mod_shift && (rhs == mod_altshift || rhs == mod_shiftctrl))
-		return mod_none;
-	else if(lhs == mod_ctrl && (rhs == mod_altctrl || rhs == mod_shiftctrl))
-		return mod_none;
-	else return lhs;
-}
-
-eKeyMod& operator += (eKeyMod&lhs, eKeyMod rhs){
-	lhs = lhs + rhs;
-	return lhs;
-}
-
-eKeyMod& operator -= (eKeyMod&lhs, eKeyMod rhs){
-	lhs = lhs - rhs;
-	return lhs;
-}
-
-bool operator== (cKey a, cKey b){
-	if(a.spec != b.spec) return false;
-	if(a.mod != b.mod) return false;
-	return a.spec ? a.k == b.k : (a.c == 0 ? false : a.c == b.c);
-}
-
-bool mod_contains(eKeyMod mods, eKeyMod mod) {
-	if((mods & mod) != 0) return true;
-	return false;
-}
-
 void cControl::show(){
 	visible = true;
 	if(labelCtrl) labelCtrl->show();