diff --git a/src/utils.h b/src/utils.h
index 0a4dd72..a639af0 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -6,8 +6,8 @@
 namespace utils
 {
     __declspec(noinline) LPVOID __cdecl GetReturnAddress();
-    inline BOOL IsAddressInModule(LPVOID address, const char *moduleName);
-    inline bool Contains(const std::wstring &str, const std::wstring &substr);
+    BOOL IsAddressInModule(LPVOID address, const char *moduleName);
+    bool Contains(const std::wstring &str, const std::wstring &substr);
 }
 
 #endif // UTILS_H