diff --git a/src/std/rec/test/Makefile b/src/std/rec/test/Makefile
index bfb8740d5..b8657ce83 100644
--- a/src/std/rec/test/Makefile
+++ b/src/std/rec/test/Makefile
@@ -14,7 +14,6 @@ PROD_LIBS = dbRecStd dbCore ca Com
 
 TARGETS += $(COMMON_DIR)/analogMonitorTest.dbd
 analogMonitorTest_DBD += base.dbd
-analogMonitorTest_DBD += myTestSub.dbd
 TESTPROD_HOST += analogMonitorTest
 analogMonitorTest_SRCS += analogMonitorTest.c
 analogMonitorTest_SRCS += analogMonitorTest_registerRecordDeviceDriver.cpp
diff --git a/src/std/rec/test/analogMonitorTest.c b/src/std/rec/test/analogMonitorTest.c
index f0c1950c1..56f3cf475 100644
--- a/src/std/rec/test/analogMonitorTest.c
+++ b/src/std/rec/test/analogMonitorTest.c
@@ -75,7 +75,6 @@ static int t_ReceivedUpdates[NO_OF_PATTERNS][NO_OF_VALUES_PER_SEQUENCE];
 static long myTestSub(void *p) {
     return 0;
 }
-epicsRegisterFunction(myTestSub);
 
 
 /* Minimal pre-chain plugin to divert all monitors back into the test (before they hit the queue) */
@@ -152,6 +151,8 @@ MAIN(analogMonitorTest)
     t_SetValues[14][0] = -epicsINF; t_SetValues[14][1] = epicsINF;
     t_SetValues[15][0] = -epicsINF; t_SetValues[15][1] = -epicsINF;
 
+    registryFunctionAdd("myTestSub", (REGISTRYFUNCTION) myTestSub);
+
     testPlan(1793);
 
     if (dbReadDatabase(&pdbbase, "analogMonitorTest.dbd",
diff --git a/src/std/rec/test/myTestSub.dbd b/src/std/rec/test/myTestSub.dbd
deleted file mode 100644
index eb0943b54..000000000
--- a/src/std/rec/test/myTestSub.dbd
+++ /dev/null
@@ -1 +0,0 @@
-function(myTestSub)