diff --git a/mailnews/db/msgdb/src/Makefile.in b/mailnews/db/msgdb/src/Makefile.in
index 2b238b07da96..5de78e7698af 100644
--- a/mailnews/db/msgdb/src/Makefile.in
+++ b/mailnews/db/msgdb/src/Makefile.in
@@ -24,7 +24,6 @@ include $(DEPTH)/config/autoconf.mk
 
 MODULE = mailnewsmsgdb
 LIBRARY_NAME=mailnewsmsgdb
-NO_SHARED_LIB=1
 
 EXPORTS = \
 	$(NULL)