diff --git a/App/tools/driver.makefile b/App/tools/driver.makefile
index 605f5707ae9287a03d3c8381c00d88175b56d991..99c04a0c13d72e7eabb15e4c6fa966da56136c9a 100644
--- a/App/tools/driver.makefile
+++ b/App/tools/driver.makefile
@@ -615,7 +615,7 @@ HDEPENDS_CMD =
 DBDFILES = ${DBD_SRCS:%=../%}
 DBD_PATH = $(sort $(dir ${DBDFILES}))
 
-DBDEXPANDPATH = $(addprefix -I , ${DBD_PATH} ${INSTALL_DBD} ${EPICS_BASE}/dbd)
+DBDEXPANDPATH = $(addprefix -I , ${DBD_PATH} ${EPICS_BASE}/dbd)
 USR_DBDFLAGS += $(DBDEXPANDPATH)
 
 ifeq (${EPICS_BASETYPE},3.13)