diff --git a/src/ioc/db/test/Makefile b/src/ioc/db/test/Makefile
index b844a0bd6..8c7db590f 100644
--- a/src/ioc/db/test/Makefile
+++ b/src/ioc/db/test/Makefile
@@ -102,8 +102,6 @@ dbChArrTest_DBD += arrRecord.dbd
 TESTPROD_HOST += dbChArrTest
 dbChArrTest_SRCS += dbChArrTest.cpp
 dbChArrTest_SRCS += dbChArrTest_registerRecordDeviceDriver.cpp
-testHarness_SRCS += dbChArrTest.cpp
-testHarness_SRCS += dbChArrTest_registerRecordDeviceDriver.cpp
 TESTFILES += $(COMMON_DIR)/dbChArrTest.dbd ../dbChArrTest.db
 TESTS += dbChArrTest