diff --git a/src/Generator/Passes/CheckFlagEnumsPass.cs b/src/Generator/Passes/CheckFlagEnumsPass.cs
index be9d7fd4..2a10c576 100644
--- a/src/Generator/Passes/CheckFlagEnumsPass.cs
+++ b/src/Generator/Passes/CheckFlagEnumsPass.cs
@@ -1,5 +1,4 @@
-using System;
-using CppSharp.AST;
+using CppSharp.AST;
 
 namespace CppSharp.Passes
 {