diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index a0612419256..80e9b9e517e 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -3547,7 +3547,18 @@ BOOLEAN WINAPI SeSinglePrivilegeCheck(LUID privilege, KPROCESSOR_MODE mode)
     return TRUE;
 }
 
+/*********************************************************************
+ *           KeFlushQueuedDpcs    (NTOSKRNL.@)
+ */
 void WINAPI KeFlushQueuedDpcs(void)
 {
     FIXME("stub!\n");
 }
+
+/*********************************************************************
+ *           IoReleaseRemoveLockAndWaitEx    (NTOSKRNL.@)
+ */
+void WINAPI IoReleaseRemoveLockAndWaitEx(PIO_REMOVE_LOCK lock, PVOID tag, ULONG size)
+{
+    FIXME("stub: %p %p %u\n", lock, tag, size);
+}
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
index 907fba8d996..662445a78c8 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
+++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
@@ -436,7 +436,7 @@
 @ stdcall IoRegisterPlugPlayNotification(long long ptr ptr ptr ptr ptr)
 @ stdcall IoRegisterShutdownNotification(ptr)
 @ stdcall IoReleaseCancelSpinLock(long)
-@ stub IoReleaseRemoveLockAndWaitEx
+@ stdcall IoReleaseRemoveLockAndWaitEx(ptr ptr long)
 @ stub IoReleaseRemoveLockEx
 @ stub IoReleaseVpbSpinLock
 @ stub IoRemoveShareAccess