diff --git a/lib/libc/gen/assert.c b/lib/libc/gen/assert.c
index 4914acac157f..eb2748ce6d44 100644
--- a/lib/libc/gen/assert.c
+++ b/lib/libc/gen/assert.c
@@ -35,7 +35,6 @@
 static char sccsid[] = "@(#)assert.c	8.1 (Berkeley) 6/4/93";
 #endif /* LIBC_SCCS and not lint */
 
-#include <sys/types.h>
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/lib/libc/locale/table.c b/lib/libc/locale/table.c
index e9de3063214e..9424a5812a1b 100644
--- a/lib/libc/locale/table.c
+++ b/lib/libc/locale/table.c
@@ -38,8 +38,6 @@
 static char sccsid[] = "@(#)table.c	8.1 (Berkeley) 6/27/93";
 #endif /* LIBC_SCCS and not lint */
 
-#include <sys/types.h>
-
 #include <ctype.h>
 #include <rune.h>
 
diff --git a/lib/libc/stdlib/heapsort.c b/lib/libc/stdlib/heapsort.c
index d800064f648a..964955381ea2 100644
--- a/lib/libc/stdlib/heapsort.c
+++ b/lib/libc/stdlib/heapsort.c
@@ -38,10 +38,9 @@
 static char sccsid[] = "@(#)heapsort.c	8.1 (Berkeley) 6/4/93";
 #endif /* LIBC_SCCS and not lint */
 
-#include <sys/types.h>
 #include <errno.h>
-#include <stdlib.h>
 #include <stddef.h>
+#include <stdlib.h>
 
 /*
  * Swap two areas of size number of bytes.  Although qsort(3) permits random
diff --git a/lib/libc/stdlib/qsort.c b/lib/libc/stdlib/qsort.c
index 66c02249cbed..2e2dcf1edc22 100644
--- a/lib/libc/stdlib/qsort.c
+++ b/lib/libc/stdlib/qsort.c
@@ -36,10 +36,9 @@
 static char sccsid[] = "@(#)qsort.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-	"$Id$";
+	"$Id: qsort.c,v 1.3 1995/12/26 13:24:58 bde Exp $";
 #endif /* LIBC_SCCS and not lint */
 
-#include <sys/types.h>
 #include <stdlib.h>
 
 typedef int		 cmp_t __P((const void *, const void *));
diff --git a/sys/libkern/qsort.c b/sys/libkern/qsort.c
index 66c02249cbed..f548d576a7b8 100644
--- a/sys/libkern/qsort.c
+++ b/sys/libkern/qsort.c
@@ -36,10 +36,9 @@
 static char sccsid[] = "@(#)qsort.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-	"$Id$";
+	"$Id: qsort.c,v 1.2 1995/12/26 13:24:47 bde Exp $";
 #endif /* LIBC_SCCS and not lint */
 
-#include <sys/types.h>
 #include <stdlib.h>
 
 typedef int		 cmp_t __P((const void *, const void *));