diff --git a/src/Source.def b/src/Source.def
index c09998c..abd9bd8 100644
--- a/src/Source.def
+++ b/src/Source.def
@@ -5,8 +5,8 @@
 
 LIBRARY
 EXPORTS
-    ExEventObjectType DATA
-    IoFileObjectType DATA
+    ExEventObjectType
+    IoFileObjectType
 
     FwpmCalloutAdd0
     FwpmCalloutDeleteByKey0