diff --git a/platform/darwin/src/collator.mm b/platform/darwin/src/collator.mm
index 6b6519d4b..fe2b46ffa 100644
--- a/platform/darwin/src/collator.mm
+++ b/platform/darwin/src/collator.mm
@@ -31,7 +31,7 @@ public:
         // https://developer.apple.com/documentation/foundation/nsstring/1414561-compare
         NSRange compareRange = NSMakeRange(0, nsLhs.length);
 
-        return [nsLhs compare:nsRhs options:options range:compareRange locale:locale];
+        return static_cast<int>([nsLhs compare:nsRhs options:options range:compareRange locale:locale]);
     }
 
     std::string resolvedLocale() const {
diff --git a/src/mbgl/renderer/render_tile.hpp b/src/mbgl/renderer/render_tile.hpp
index 9725744ac..6f78d2cd8 100644
--- a/src/mbgl/renderer/render_tile.hpp
+++ b/src/mbgl/renderer/render_tile.hpp
@@ -34,7 +34,7 @@ public:
     RenderTile(const RenderTile&) = delete;
     RenderTile(RenderTile&&) = default;
     RenderTile& operator=(const RenderTile&) = delete;
-    RenderTile& operator=(RenderTile&&) = default;
+    RenderTile& operator=(RenderTile&&) = delete;
 
     UnwrappedTileID id;
     mat4 matrix;