diff --git a/source/dub/generators/generator.d b/source/dub/generators/generator.d
index 5fbc5b0..5d383eb 100644
--- a/source/dub/generators/generator.d
+++ b/source/dub/generators/generator.d
@@ -396,7 +396,7 @@
 	{
 		child.addVersions(parent.versions);
 		child.addDebugVersions(parent.debugVersions);
-		child.addOptions(BuildOptions(cast(BuildOptions)parent.options & inheritedBuildOptions));
+		child.addOptions(BuildOptions(parent.options & inheritedBuildOptions));
 	}
 
 	private static void mergeFromDependency(in ref BuildSettings child, ref BuildSettings parent)