diff --git a/robotgo.go b/robotgo.go
index 4599ab9..c60374c 100644
--- a/robotgo.go
+++ b/robotgo.go
@@ -422,13 +422,6 @@ func ScaleX() int {
 	return int(C.scale_x())
 }
 
-// Deprecated: use the ScaledF(),
-//
-// ScaleY get primary display vertical DPI scale factor, drop
-func ScaleY() int {
-	return int(C.scale_y())
-}
-
 // Deprecated: use the ScaledF(),
 //
 // Scale get the screen scale (only windows old), drop
@@ -1254,7 +1247,6 @@ func showAlert(title, msg string, args ...string) bool {
 func IsValid() bool {
 	abool := C.is_valid()
 	gbool := bool(abool)
-	// fmt.Println("bool---------", gbool)
 	return gbool
 }
 
diff --git a/robotgo_x11.go b/robotgo_x11.go
index 8ef4eae..558567f 100644
--- a/robotgo_x11.go
+++ b/robotgo_x11.go
@@ -183,7 +183,12 @@ func DisplaysNum() int {
 func Alert(title, msg string, args ...string) bool {
 	defaultBtn, cancelBtn := alertArgs(args...)
 	c := `xmessage -center ` + msg +
-		` -title ` + title + ` -buttons ` + defaultBtn + ":0," + cancelBtn + ":1" + ` -default Ok`
+		` -title ` + title + ` -buttons ` + defaultBtn + ":0,"
+	if cancleBtn != "" {
+		c += cancelBtn + ":1"
+	}
+	c += ` -default ` + defaultBtn
+
 	out, err := Run(c)
 	if err != nil {
 		fmt.Println("Alert: ", err, ". ", string(out))
diff --git a/window/goWindow.h b/window/goWindow.h
index fd8a794..9bdcd25 100644
--- a/window/goWindow.h
+++ b/window/goWindow.h
@@ -14,29 +14,18 @@
 
 int show_alert(const char *title, const char *msg,
 	const char *defaultButton, const char *cancelButton){
-		
-	int alert = showAlert(title, msg, defaultButton, cancelButton);
-	return alert;
+
+	return showAlert(title, msg, defaultButton, cancelButton);
 }
 
 intptr scale_x(){
 	return scaleX();
 }
 
-intptr scale_y(){
-	return scaleY();
-}
-
 bool is_valid(){
-	bool abool = IsValid();
-	return abool;
+	return IsValid();
 }
 
-// int find_window(char* name){
-// 	int z = findwindow(name);
-// 	return z;
-// }
-
 void min_window(uintptr pid, bool state, uintptr isHwnd){
 	#if defined(IS_MACOSX)
 		// return 0;
@@ -80,8 +69,7 @@ void close_window(uintptr pid, uintptr isHwnd){
 }
 
 bool set_handle(uintptr handle){
-	bool hwnd = setHandle(handle);
-	return hwnd;
+	return setHandle(handle);
 }
 
 uintptr get_handle(){
@@ -96,9 +84,19 @@ uintptr get_handle(){
 	#endif
 }
 
+// uint32 uintptr
+uintptr getHandle() {
+	#if defined(IS_MACOSX)
+		return (uintptr)mData.CgID;
+	#elif defined(USE_X11)
+		return (uintptr)mData.XWin;
+	#elif defined(IS_WINDOWS)
+		return (uintptr)mData.HWnd;
+	#endif
+}
+
 uintptr bget_handle(){
-	uintptr hwnd = getHandle();
-	return hwnd;
+	return getHandle();
 }
 
 void set_active(const MData win){
diff --git a/window/win_sys.h b/window/win_sys.h
index 236d3ae..1d64d62 100644
--- a/window/win_sys.h
+++ b/window/win_sys.h
@@ -76,18 +76,6 @@ intptr scaleX(){
 	#endif
 }
 
-intptr scaleY(){
-	#if defined(IS_MACOSX)
-		return 0;
-	#elif defined(USE_X11)
-		return 0;
-	#elif defined(IS_WINDOWS)
-		HDC desktopDc = GetDC(NULL);
-		intptr verticalDPI = GetDeviceCaps(desktopDc, LOGPIXELSY);
-		return verticalDPI;
-	#endif
-}
-
 Bounds get_bounds(uintptr pid, uintptr isHwnd){
 	// Check if the window is valid
 	Bounds bounds;
diff --git a/window/window.h b/window/window.h
index 6ff4935..a8cc058 100644
--- a/window/window.h
+++ b/window/window.h
@@ -74,7 +74,7 @@ void set_handle_pid_mData(uintptr pid, uintptr isHwnd){
 	mData = win;
 }
 
-bool IsValid(){
+bool IsValid() {
 	initWindow(initHandle);
 	if (!IsAxEnabled(true)) {
 		printf("%s\n", "Window: Accessibility API is disabled!\n"
@@ -232,17 +232,6 @@ bool setHandle(uintptr handle){
 #endif
 }
 
-// uint32 uintptr
-uintptr getHandle() {
-	#if defined(IS_MACOSX)
-		return (uintptr)mData.CgID;
-	#elif defined(USE_X11)
-		return (uintptr)mData.XWin;
-	#elif defined(IS_WINDOWS)
-		return (uintptr)mData.HWnd;
-	#endif
-}
-
 bool IsTopMost(void){
 	// Check the window validity
 	if (!IsValid()) {return false;}