diff --git a/src/libCom/osi/os/Darwin/osdMonotonic.c b/src/libCom/osi/os/Darwin/osdMonotonic.c
index 6f8cb85af..2f81d002b 100644
--- a/src/libCom/osi/os/Darwin/osdMonotonic.c
+++ b/src/libCom/osi/os/Darwin/osdMonotonic.c
@@ -29,6 +29,6 @@ epicsUInt64 epicsMonotonicResolution(void)
 
 epicsUInt64 epicsMonotonicGet(void)
 {
-    uint64_t val = mach_absolute_time(), ret;
+    uint64_t val = mach_absolute_time();
     return val * tbinfo.numer / tbinfo.denom;
 }