diff --git a/platform/ios/MGLMapView.mm b/platform/ios/MGLMapView.mm
index a83fcdb93..70f345dd9 100644
--- a/platform/ios/MGLMapView.mm
+++ b/platform/ios/MGLMapView.mm
@@ -646,7 +646,7 @@ mbgl::DefaultFileSource *mbglFileSource = nullptr;
 
         // constrain to +/-30 degrees when merely rotating like Apple does
         //
-        if ( ! self.isRotationAllowed && fabsf(self.pinch.scale) < 10)
+        if ( ! self.isRotationAllowed && std::abs(self.pinch.scale) < 10)
         {
             newDegrees = fminf(newDegrees,  30);
             newDegrees = fmaxf(newDegrees, -30);
diff --git a/src/mbgl/map/tile_parser.cpp b/src/mbgl/map/tile_parser.cpp
index 087f2a33c..c2833e5c9 100644
--- a/src/mbgl/map/tile_parser.cpp
+++ b/src/mbgl/map/tile_parser.cpp
@@ -43,7 +43,6 @@ TileParser::TileParser(const std::string &data, VectorTileData &tile_,
       spriteAtlas(spriteAtlas_),
       sprite(sprite_),
       collision(util::make_unique<Collision>(tile.id.z, 4096, tile.source.tile_size, tile.depth)) {
-    assert(&tile != nullptr);
     assert(style);
     assert(sprite);
     assert(collision);