diff --git a/dlls/rpcrt4/ndr_marshall.c b/dlls/rpcrt4/ndr_marshall.c
index f8f89739bf..8d358cfdc8 100644
--- a/dlls/rpcrt4/ndr_marshall.c
+++ b/dlls/rpcrt4/ndr_marshall.c
@@ -6370,3 +6370,56 @@ NDR_SCONTEXT WINAPI NdrServerContextNewUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
 
     return ContextHandle;
 }
+
+/***********************************************************************
+ *           NdrCorrelationInitialize [RPCRT4.@]
+ *
+ * Initializes correlation validity checking.
+ *
+ * PARAMS
+ *  pStubMsg    [I] MIDL_STUB_MESSAGE used during unmarshalling.
+ *  pMemory     [I] Pointer to memory to use as a cache.
+ *  CacheSize   [I] Size of the memory pointed to by pMemory.
+ *  Flags       [I] Reserved. Set to zero.
+ *
+ * RETURNS
+ *  Nothing.
+ */
+void WINAPI NdrCorrelationInitialize(PMIDL_STUB_MESSAGE pStubMsg, void *pMemory, ULONG CacheSize, ULONG Flags)
+{
+    FIXME("(%p, %p, %d, 0x%x): stub\n", pStubMsg, pMemory, CacheSize, Flags);
+    pStubMsg->fHasNewCorrDesc = TRUE;
+}
+
+/***********************************************************************
+ *           NdrCorrelationPass [RPCRT4.@]
+ *
+ * Performs correlation validity checking.
+ *
+ * PARAMS
+ *  pStubMsg    [I] MIDL_STUB_MESSAGE used during unmarshalling.
+ *
+ * RETURNS
+ *  Nothing.
+ */
+void WINAPI NdrCorrelationPass(PMIDL_STUB_MESSAGE pStubMsg)
+{
+    FIXME("(%p): stub\n", pStubMsg);
+}
+
+/***********************************************************************
+ *           NdrCorrelationFree [RPCRT4.@]
+ *
+ * Frees any resources used while unmarshalling parameters that need
+ * correlation validity checking.
+ *
+ * PARAMS
+ *  pStubMsg    [I] MIDL_STUB_MESSAGE used during unmarshalling.
+ *
+ * RETURNS
+ *  Nothing.
+ */
+void WINAPI NdrCorrelationFree(PMIDL_STUB_MESSAGE pStubMsg)
+{
+    FIXME("(%p): stub\n", pStubMsg);
+}
diff --git a/dlls/rpcrt4/rpcrt4.spec b/dlls/rpcrt4/rpcrt4.spec
index 93f6d318e4..8b3e5026c4 100644
--- a/dlls/rpcrt4/rpcrt4.spec
+++ b/dlls/rpcrt4/rpcrt4.spec
@@ -201,9 +201,9 @@
 @ stdcall NdrContextHandleSize(ptr ptr ptr)
 @ stdcall NdrConvert2(ptr ptr long)
 @ stdcall NdrConvert(ptr ptr)
-@ stub NdrCorrelationFree
-@ stub NdrCorrelationInitialize
-@ stub NdrCorrelationPass
+@ stdcall NdrCorrelationFree(ptr)
+@ stdcall NdrCorrelationInitialize(ptr ptr long long)
+@ stdcall NdrCorrelationPass(ptr)
 @ stub NdrDcomAsyncClientCall
 @ stub NdrDcomAsyncStubCall
 @ stdcall NdrDllCanUnloadNow(ptr)