diff --git a/ntoskrnl/include/internal/ob.h b/ntoskrnl/include/internal/ob.h
index 9b897392f03..670b91c6abe 100644
--- a/ntoskrnl/include/internal/ob.h
+++ b/ntoskrnl/include/internal/ob.h
@@ -302,14 +302,6 @@ ObpSetHandleAttributes(
     IN ULONG_PTR Context
 );
 
-NTSTATUS
-NTAPI
-ObQueryDeviceMapInformation(
-    _In_opt_ PEPROCESS Process,
-    _Out_ PPROCESS_DEVICEMAP_INFORMATION DeviceMapInfo,
-    _In_ ULONG Flags
-);
-
 //
 // Object Lifetime Functions
 //
@@ -408,6 +400,14 @@ ObReferenceFileObjectForWrite(
 //
 // DOS Devices Functions
 //
+NTSTATUS
+NTAPI
+ObQueryDeviceMapInformation(
+    _In_opt_ PEPROCESS Process,
+    _Out_ PPROCESS_DEVICEMAP_INFORMATION DeviceMapInfo,
+    _In_ ULONG Flags
+);
+
 NTSTATUS
 NTAPI
 ObSetDeviceMap(
diff --git a/sdk/include/ndk/obfuncs.h b/sdk/include/ndk/obfuncs.h
index 7c3218f1486..f23073ad3d2 100644
--- a/sdk/include/ndk/obfuncs.h
+++ b/sdk/include/ndk/obfuncs.h
@@ -78,6 +78,13 @@ ObCreateObjectType(
     _Out_ POBJECT_TYPE *ObjectType
 );
 
+NTKERNELAPI
+VOID
+NTAPI
+ObDereferenceObjectDeferDelete(
+    _In_ PVOID Object
+);
+
 NTKERNELAPI
 VOID
 NTAPI
@@ -86,6 +93,17 @@ ObDereferenceSecurityDescriptor(
     _In_ ULONG Count
 );
 
+NTKERNELAPI
+BOOLEAN
+NTAPI
+ObFindHandleForObject(
+    _In_ PEPROCESS Process,
+    _In_ PVOID Object,
+    _In_ POBJECT_TYPE ObjectType,
+    _In_opt_ POBJECT_HANDLE_INFORMATION HandleInformation,
+    _Out_opt_ PHANDLE Handle
+);
+
 NTKERNELAPI
 ULONG
 NTAPI
@@ -146,24 +164,6 @@ ObSetSecurityObjectByPointer(
     _In_ PSECURITY_DESCRIPTOR SecurityDescriptor
 );
 
-NTKERNELAPI
-BOOLEAN
-NTAPI
-ObFindHandleForObject(
-    _In_ PEPROCESS Process,
-    _In_ PVOID Object,
-    _In_ POBJECT_TYPE ObjectType,
-    _In_opt_ POBJECT_HANDLE_INFORMATION HandleInformation,
-    _Out_opt_ PHANDLE Handle
-);
-
-NTKERNELAPI
-VOID
-NTAPI
-ObDereferenceObjectDeferDelete(
-    _In_ PVOID Object
-);
-
 #endif
 
 //