diff --git a/src/Utility.h b/src/Utility.h
index 58ca6d2..2564707 100644
--- a/src/Utility.h
+++ b/src/Utility.h
@@ -2,7 +2,6 @@
 #define UTILITY_H_
 #include <clang-c/Index.h>
 #include <string>
-#include <memory>
 
 namespace clangmm {
   std::string to_string(CXString cx_string);