diff --git a/reactos/dll/win32/setupapi/setupapi.spec b/reactos/dll/win32/setupapi/setupapi.spec
index 2a6ad8d47e0..9ca79d212ed 100644
--- a/reactos/dll/win32/setupapi/setupapi.spec
+++ b/reactos/dll/win32/setupapi/setupapi.spec
@@ -604,31 +604,3 @@
 @ stub pSetupVerifyQueuedCatalogs
 @ stub pSetupWriteLogEntry
 @ stub pSetupWriteLogError
-
-# Unknown functions, they are not present in Win2003 SP1
-@ stdcall AssertFail(str long str)
-@ stub CM_Remove_Unmarked_Children
-@ stub CM_Remove_Unmarked_Children_Ex
-@ stub CM_Reset_Children_Marks
-@ stub CM_Reset_Children_Marks_Ex
-@ stdcall CaptureStringArg(wstr ptr)
-@ stdcall DelayedMove(wstr wstr)
-@ stub DelimStringToMultiSz
-@ stub DestroyTextFileReadBuffer
-@ stdcall FileExists(wstr ptr)
-@ stub GetNewInfName
-@ stdcall GetSetFileTimestamp(wstr ptr ptr ptr long)
-@ stub LookUpStringInTable
-@ stub MemoryInitialize
-@ stub MultiSzFromSearchControl
-@ stdcall QueryRegistryValue(long wstr ptr ptr ptr)
-@ stub ReadAsciiOrUnicodeTextFile
-# Yes, Microsoft really misspelled this one!
-@ stdcall RetreiveFileSecurity(wstr ptr)
-@ stub SearchForInfFile
-@ stdcall StampFileSecurity(wstr ptr)
-@ stdcall TakeOwnershipOfFile(wstr)
-@ stub pSetupDirectoryIdToPath
-@ stub pSetupGetOsLoaderDriveAndPath
-@ stub pSetupGetVersionDatum
-@ stub pSetupSetSystemSourceFlags