diff --git a/ntoskrnl/include/internal/mm.h b/ntoskrnl/include/internal/mm.h
index 3f56c9b9d08..cb017a5be72 100644
--- a/ntoskrnl/include/internal/mm.h
+++ b/ntoskrnl/include/internal/mm.h
@@ -627,15 +627,6 @@ MmFindGap(
     BOOLEAN TopDown
 );
 
-VOID
-NTAPI
-MiRosCheckMemoryAreas(
-   PMMSUPPORT AddressSpace);
-
-VOID
-NTAPI
-MiCheckAllProcessMemoryAreas(VOID);
-
 /* npool.c *******************************************************************/
 
 CODE_SEG("INIT")
@@ -692,12 +683,6 @@ MmBuildMdlFromPages(
 
 /* mminit.c ******************************************************************/
 
-VOID
-NTAPI
-MmInit1(
-    VOID
-);
-
 CODE_SEG("INIT")
 BOOLEAN
 NTAPI
@@ -804,18 +789,6 @@ MmSetMemoryPriorityProcess(
     IN UCHAR MemoryPriority
 );
 
-/* i386/pfault.c *************************************************************/
-
-NTSTATUS
-NTAPI
-MmPageFault(
-    ULONG Cs,
-    PULONG Eip,
-    PULONG Eax,
-    ULONG Cr2,
-    ULONG ErrorCode
-);
-
 /* special.c *****************************************************************/
 
 VOID