diff --git a/reactos/subsystems/win32/win32k/include/csr.h b/reactos/subsystems/win32/win32k/include/csr.h
index 51cce282619..64031180025 100644
--- a/reactos/subsystems/win32/win32k/include/csr.h
+++ b/reactos/subsystems/win32/win32k/include/csr.h
@@ -12,14 +12,13 @@
 
 extern PEPROCESS CsrProcess;
 
-extern NTSTATUS FASTCALL CsrInit(void);
-extern NTSTATUS FASTCALL co_CsrNotify(PCSR_API_MESSAGE Request);
-extern NTSTATUS FASTCALL CsrCloseHandle(HANDLE Handle);
-NTSTATUS
-STDCALL
-CsrInsertObject(HANDLE ObjectHandle,
-                ACCESS_MASK DesiredAccess,
-                PHANDLE Handle);
+NTSTATUS FASTCALL CsrInit(void);
+NTSTATUS FASTCALL co_CsrNotify(PCSR_API_MESSAGE Request);
+NTSTATUS FASTCALL co_CsrNotifyScreenSaver(PCSR_API_MESSAGE Request);
+NTSTATUS FASTCALL CsrCloseHandle(HANDLE Handle);
+NTSTATUS WINAPI CsrInsertObject(HANDLE ObjectHandle,
+                                 ACCESS_MASK DesiredAccess,
+                                 PHANDLE Handle);
 
 #endif /* CSR_H_INCLUDED */