diff --git a/src/MacVim/MMCoreTextView.m b/src/MacVim/MMCoreTextView.m
index ee82cc3a17..f4c0120a2f 100644
--- a/src/MacVim/MMCoreTextView.m
+++ b/src/MacVim/MMCoreTextView.m
@@ -734,7 +734,12 @@ - (void)setNeedsDisplayFromRow:(int)row column:(int)col toRow:(int)row2
 - (void)drawRect:(NSRect)rect
 {
     NSGraphicsContext *context = [NSGraphicsContext currentContext];
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_10
     CGContextRef ctx = context.CGContext;
+#else
+    CGContextRef ctx = [context graphicsPort];
+#endif
+
     [context setShouldAntialias:antialias];
     {
         CGColorSpaceRef colorSpace = CGColorSpaceCreateWithName(kCGColorSpaceSRGB);
diff --git a/src/MacVim/MMFullScreenWindow.m b/src/MacVim/MMFullScreenWindow.m
index e1973cfc7b..4c36ffe2d7 100644
--- a/src/MacVim/MMFullScreenWindow.m
+++ b/src/MacVim/MMFullScreenWindow.m
@@ -382,7 +382,7 @@ - (NSEdgeInsets) viewOffset {
 
 #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_VERSION_12_0)
     // Account for newer MacBook Pro's which have a notch, which can be queried using the safe area API.
-    if ([NSScreen instancesRespondToSelector:@selector(safeAreaInsets)]) {
+    if (@available(macos 12.0, *)) {
         const int safeAreaBehavior = [[NSUserDefaults standardUserDefaults]
                                       integerForKey:MMNonNativeFullScreenSafeAreaBehaviorKey];
 
diff --git a/src/MacVim/MMWindowController.m b/src/MacVim/MMWindowController.m
index 4d8e25e434..94ca435f9f 100644
--- a/src/MacVim/MMWindowController.m
+++ b/src/MacVim/MMWindowController.m
@@ -571,8 +571,12 @@ - (void)refreshApperanceMode
     // has selected as a preference.
     
     // Transparent title bar setting
-    decoratedWindow.titlebarAppearsTransparent = [[NSUserDefaults standardUserDefaults]
-                                                  boolForKey:MMTitlebarAppearsTransparentKey];
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_10
+    if (@available(macos 10.10, *)) {
+        decoratedWindow.titlebarAppearsTransparent = [[NSUserDefaults standardUserDefaults]
+                                                      boolForKey:MMTitlebarAppearsTransparentKey];
+    }
+#endif
     
     // No title bar setting
     if ([[NSUserDefaults standardUserDefaults]