diff --git a/pkg/macos/text/font.zig b/pkg/macos/text/font.zig
index 5ff031183..cf24bc5d0 100644
--- a/pkg/macos/text/font.zig
+++ b/pkg/macos/text/font.zig
@@ -132,11 +132,11 @@ pub const Font = opaque {
     }
 
     pub fn getUnitsPerEm(self: *Font) u32 {
-        return c.CTFontGetUnitsPerEm(@ptrCast(c.CTFontRef, self));
+        return c.CTFontGetUnitsPerEm(@ptrCast(self));
     }
 
     pub fn getSize(self: *Font) f64 {
-        return c.CTFontGetSize(@ptrCast(c.CTFontRef, self));
+        return c.CTFontGetSize(@ptrCast(self));
     }
 };
 
diff --git a/src/font/face/coretext.zig b/src/font/face/coretext.zig
index 86bbca747..58bbddac9 100644
--- a/src/font/face/coretext.zig
+++ b/src/font/face/coretext.zig
@@ -144,7 +144,7 @@ pub const Face = struct {
         // TODO(mitchellh): color is going to require a depth here
         var buf = try alloc.alloc(u8, width * height);
         defer alloc.free(buf);
-        std.mem.set(u8, buf, 0);
+        @memset(buf, 0);
 
         const space = try macos.graphics.ColorSpace.createDeviceGray();
         defer space.release();
@@ -166,8 +166,8 @@ pub const Face = struct {
         ctx.fillRect(.{
             .origin = .{ .x = 0, .y = 0 },
             .size = .{
-                .width = @intToFloat(f64, width),
-                .height = @intToFloat(f64, height),
+                .width = @floatFromInt(width),
+                .height = @floatFromInt(height),
             },
         });