diff --git a/libguile/Makefile.am b/libguile/Makefile.am
index ae546dd61..f6d7515df 100644
--- a/libguile/Makefile.am
+++ b/libguile/Makefile.am
@@ -821,7 +821,7 @@ chknew-E chknew-SIG:
 	echo "#include <$${bit}.h>"				\
 	 | sed 's/E/errno/;s/SIG/signal/'			\
 	 | gcc -dM -E -						\
-	 | sed 's/^#define //;/^'$$bit'[0-9A-Z][0-9A-Z]*/!d;s/ .*//'	\
+	 | sed 's/^#define //;/^'$$bit'[0-9A-Z][0-9A-Z]* /!d;s/ .*//'	\
 	 | sort | diff -u $$old - | sed '1,2d;/^+/!d;s/^.//'	\
 	 > TMP ;						\
 	if [ -s TMP ] ; then new="$$old.NEW" ;			\
diff --git a/libguile/cpp-SIG.syms b/libguile/cpp-SIG.syms
index 2a619ce2d..728a29457 100644
--- a/libguile/cpp-SIG.syms
+++ b/libguile/cpp-SIG.syms
@@ -6,12 +6,6 @@ SIGCHLD
 SIGCLD
 SIGCONT
 SIGEMT
-SIGEV_MAX_SIZE
-SIGEV_NONE
-SIGEV_PAD_SIZE
-SIGEV_SIGNAL
-SIGEV_THREAD
-SIGEV_THREAD_ID
 SIGFPE
 SIGHUP
 SIGILL