diff --git a/src/test/regress/resultmap b/src/test/regress/resultmap
index 68dd5f73c9..6a1877f241 100644
--- a/src/test/regress/resultmap
+++ b/src/test/regress/resultmap
@@ -20,5 +20,4 @@ horology/hppa=horology-no-DST-before-1970
 horology/sparc-sun-solaris=horology-solaris-1947
 abstime/sparc-sun-solaris=abstime-solaris-1947
 tinterval/sparc-sun-solaris=tinterval-solaris-1947
-#include <sys/types.h>				/* For pid_t */