diff --git a/src/libCom/osi/os/Linux/osiUnistd.h b/src/libCom/osi/os/Linux/osiUnistd.h
index 521aedb75..04d1a6456 100644
--- a/src/libCom/osi/os/Linux/osiUnistd.h
+++ b/src/libCom/osi/os/Linux/osiUnistd.h
@@ -31,4 +31,3 @@
  * There seems to be no way to handle this automatically, so
  * if you get compile errors, just make the appropriate changes here.
  */
-int putenv (char *);