diff --git a/configure/RULES.Db b/configure/RULES.Db
index 688bd9e4f..f5cc701eb 100644
--- a/configure/RULES.Db
+++ b/configure/RULES.Db
@@ -11,7 +11,6 @@ vpath %.template $(USR_VPATH) $(GENERIC_SRC_DIRS) $(COMMON_DIR)
 
 # dbExpand
 INSTALL_DBDFLAGS += -I $(INSTALL_LOCATION)/dbd
-USR_DBDFLAGS =
 DBDFLAGS = $(USR_DBDFLAGS) -I . -I .. $(INSTALL_DBDFLAGS)
 
 #####################################################  Targets