diff --git a/reactos/ntoskrnl/cm/ntfunc.c b/reactos/ntoskrnl/cm/ntfunc.c
index a89885017f4..3d41cddaf2e 100644
--- a/reactos/ntoskrnl/cm/ntfunc.c
+++ b/reactos/ntoskrnl/cm/ntfunc.c
@@ -2827,4 +2827,120 @@ NtInitializeRegistry (IN BOOLEAN SetUpBoot)
   return Status;
 }
 
+NTSTATUS
+NTAPI
+NtCompactKeys(IN ULONG Count,
+              IN PHANDLE KeyArray)
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+NTSTATUS
+NTAPI
+NtCompressKey(IN HANDLE Key,
+              IN ULONG Mode)
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+NTSTATUS
+NTAPI
+NtLoadKeyEx(IN POBJECT_ATTRIBUTES TargetKey,
+            IN POBJECT_ATTRIBUTES SourceFile,
+            IN ULONG Flags,
+            IN HANDLE TrustClassKey,
+            IN HANDLE Event,
+            IN ACCESS_MASK DesiredAccess,
+            OUT PHANDLE RootHandle)
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+NTSTATUS
+NTAPI
+NtLockProductActivationKeys(IN PULONG pPrivateVer,
+                            IN PULONG pSafeMode)
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+NTSTATUS
+NTAPI
+NtLockRegistryKey(IN HANDLE KeyHandle)
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+NTSTATUS
+NTAPI
+NtNotifyChangeMultipleKeys(IN HANDLE MasterKeyHandle,
+                           IN ULONG Count,
+                           IN POBJECT_ATTRIBUTES SlaveObjects,
+                           IN HANDLE Event,
+                           IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
+                           IN PVOID ApcContext OPTIONAL,
+                           OUT PIO_STATUS_BLOCK IoStatusBlock,
+                           IN ULONG CompletionFilter,
+                           IN BOOLEAN WatchTree,
+                           OUT PVOID Buffer,
+                           IN ULONG Length,
+                           IN BOOLEAN Asynchronous)
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+NTSTATUS
+NTAPI
+NtQueryOpenSubKeys(IN POBJECT_ATTRIBUTES TargetKey,
+                   IN ULONG HandleCount)
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+NTSTATUS
+NTAPI
+NtQueryOpenSubKeysEx(IN POBJECT_ATTRIBUTES TargetKey,
+                     IN ULONG BufferLength,
+                     IN PVOID Buffer,
+                     IN PULONG RequiredSize)
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+NTSTATUS
+NTAPI
+NtSaveMergedKeys(IN HANDLE HighPrecedenceKeyHandle,
+                 IN HANDLE LowPrecedenceKeyHandle,
+                 IN HANDLE FileHandle)
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+NTSTATUS
+NTAPI
+NtUnloadKey2(IN POBJECT_ATTRIBUTES TargetKey,
+             IN ULONG Flags)
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+NTSTATUS
+NTAPI
+NtUnloadKeyEx(IN POBJECT_ATTRIBUTES TargetKey,
+              IN HANDLE Event)
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
 /* EOF */