diff --git a/src/libCom/tsDefs/tsDefs.h b/src/libCom/tsDefs/tsDefs.h
index f95bb0fd0..2d445ca33 100644
--- a/src/libCom/tsDefs/tsDefs.h
+++ b/src/libCom/tsDefs/tsDefs.h
@@ -17,8 +17,6 @@
 extern "C" {
 #endif
 
-#define epicsExportSharedSymbols
-
 /*----------------------------------------------------------------------------
 * TS_TEXT_xxx text type codes for converting between text and time stamp
 *