diff --git a/include/mbgl/ios/MGLMapView_Private.h b/include/mbgl/ios/MGLMapView_Private.h
new file mode 100644
index 000000000..4b93e6892
--- /dev/null
+++ b/include/mbgl/ios/MGLMapView_Private.h
@@ -0,0 +1,11 @@
+#import <UIKit/UIKit.h>
+
+@interface MGLMapView ()
+
+#pragma mark - Debugging
+
+/** Triggers another render pass even when it is not necessary. */
+- (void)invalidate;
+
+@end
+