diff --git a/reactos/base/applications/regedit/clb/clb.def b/reactos/base/applications/regedit/clb/clb.def
deleted file mode 100644
index 805736e65b7..00000000000
--- a/reactos/base/applications/regedit/clb/clb.def
+++ /dev/null
@@ -1,10 +0,0 @@
-LIBRARY clb.dll
-
-EXPORTS
-ClbAddData @1
-ClbSetColumnWidths @2
-ClbStyleW @3
-ClbWndProc @4
-CustomControlInfoW @5
-
-; EOF
diff --git a/reactos/base/applications/regedit/clb/clb.rbuild b/reactos/base/applications/regedit/clb/clb.rbuild
index b3a0cf5c23c..2e8d86aa7fb 100644
--- a/reactos/base/applications/regedit/clb/clb.rbuild
+++ b/reactos/base/applications/regedit/clb/clb.rbuild
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../../tools/rbuild/project.dtd">
 <module name="clb" type="win32dll" baseaddress="${BASEADDRESS_CLB}" installbase="system32" installname="clb.dll" unicode="yes">
-	<importlibrary definition="clb.def" />
+	<importlibrary definition="clb.spec.def" />
 	<include base="clb">.</include>
 	<define name="_WIN32_IE">0x0500</define>
 	<define name="_WIN32_WINNT">0x0600</define>
@@ -13,5 +13,6 @@
 	<library>comctl32</library>
 	<file>clb.c</file>
 	<file>clb.rc</file>
+	<file>clb.spec</file>
 	<pch>precomp.h</pch>
 </module>
diff --git a/reactos/base/applications/regedit/clb/clb.spec b/reactos/base/applications/regedit/clb/clb.spec
new file mode 100644
index 00000000000..a3ba3f2a321
--- /dev/null
+++ b/reactos/base/applications/regedit/clb/clb.spec
@@ -0,0 +1,5 @@
+1 stdcall ClbAddData(long long long)
+2 stdcall ClbSetColumnWidths(long long long)
+3 stdcall ClbStyleW(ptr ptr)
+4 stdcall ClbWndProc(ptr long ptr ptr)
+5 stdcall CustomControlInfoW(ptr)