diff --git a/lib/asn1/hash.c b/lib/asn1/hash.c
index a7f36efc3..18cb7ebe3 100644
--- a/lib/asn1/hash.c
+++ b/lib/asn1/hash.c
@@ -2,17 +2,9 @@
  * Hash table functions
  */
 
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-RCSID("$Id$");
+#include "asn1_locl.h"
 
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <limits.h>
-#include <ctype.h>
-#include "hash.h"
+RCSID("$Id$");
 
 static Hashentry *_search(Hashtab * htab,	/* The hash table */
 			  void *ptr);	/* And key */
diff --git a/lib/asn1/main.c b/lib/asn1/main.c
index 4e8a9bd12..2453fad98 100644
--- a/lib/asn1/main.c
+++ b/lib/asn1/main.c
@@ -1,10 +1,6 @@
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-RCSID("$Id$");
+#include "asn1_locl.h"
 
-#include <stdio.h>
-#include "symbol.h"
+RCSID("$Id$");
 
 extern FILE *yyin;
 
diff --git a/lib/asn1/symbol.c b/lib/asn1/symbol.c
index 407722384..4b69e7c50 100644
--- a/lib/asn1/symbol.c
+++ b/lib/asn1/symbol.c
@@ -1,11 +1,6 @@
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
+#include "asn1_locl.h"
+
 RCSID("$Id$");
-#include <string.h>
-#include <stdlib.h>
-#include "symbol.h"
-#include "hash.h"
 
 static Hashtab *htab;