diff --git a/reactos/dll/directx/ksuser/ksuser.def b/reactos/dll/directx/ksuser/ksuser.def
deleted file mode 100644
index 869a9c27119..00000000000
--- a/reactos/dll/directx/ksuser/ksuser.def
+++ /dev/null
@@ -1,6 +0,0 @@
-LIBRARY ksuser.dll
-EXPORTS
-    KsCreateAllocator@12
-    KsCreateClock@12
-    KsCreatePin@16
-    KsCreateTopologyNode@16
diff --git a/reactos/dll/directx/ksuser/ksuser.rbuild b/reactos/dll/directx/ksuser/ksuser.rbuild
index 2351c0932d0..82ecff6eda6 100644
--- a/reactos/dll/directx/ksuser/ksuser.rbuild
+++ b/reactos/dll/directx/ksuser/ksuser.rbuild
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
-<module name="ksuser" type="win32dll" baseaddress="${BASEADDRESS_KSUSER}" installbase="system32" installname="ksuser.dll" allowwarnings="true">
-	<importlibrary definition="ksuser.def" />
+<module name="ksuser" type="win32dll" baseaddress="${BASEADDRESS_KSUSER}" installbase="system32" installname="ksuser.dll">
+	<importlibrary definition="ksuser.spec" />
 	<include base="ksuser">.</include>
 	<library>advapi32</library>	
 	<library>kernel32</library>
diff --git a/reactos/dll/directx/ksuser/ksuser.spec b/reactos/dll/directx/ksuser/ksuser.spec
new file mode 100644
index 00000000000..976ffa8205f
--- /dev/null
+++ b/reactos/dll/directx/ksuser/ksuser.spec
@@ -0,0 +1,4 @@
+@ stdcall KsCreateAllocator(ptr ptr ptr)
+@ stdcall KsCreateClock(ptr ptr ptr)
+@ stdcall KsCreatePin(ptr ptr long ptr)
+@ stdcall KsCreateTopologyNode(ptr ptr long ptr)