diff --git a/src/libCom/test/osiTimeTest.cc b/src/libCom/test/osiTimeTest.cc
index 8841efab9..02e23858f 100644
--- a/src/libCom/test/osiTimeTest.cc
+++ b/src/libCom/test/osiTimeTest.cc
@@ -6,7 +6,6 @@
 #include <winsock.h>
 #endif
 
-#include "tsDefs.h"
 #include "osiTime.h"
 #include "osiSleep.h"
 #include "epicsAssert.h"