diff --git a/crypto/asn1/tasn_prn.c b/crypto/asn1/tasn_prn.c
index c79ecb587a..2ce55706e1 100644
--- a/crypto/asn1/tasn_prn.c
+++ b/crypto/asn1/tasn_prn.c
@@ -49,7 +49,7 @@ void ASN1_PCTX_free(ASN1_PCTX *p)
     OPENSSL_free(p);
 }
 
-unsigned long ASN1_PCTX_get_flags(ASN1_PCTX *p)
+unsigned long ASN1_PCTX_get_flags(const ASN1_PCTX *p)
 {
     return p->flags;
 }
@@ -59,7 +59,7 @@ void ASN1_PCTX_set_flags(ASN1_PCTX *p, unsigned long flags)
     p->flags = flags;
 }
 
-unsigned long ASN1_PCTX_get_nm_flags(ASN1_PCTX *p)
+unsigned long ASN1_PCTX_get_nm_flags(const ASN1_PCTX *p)
 {
     return p->nm_flags;
 }
@@ -69,7 +69,7 @@ void ASN1_PCTX_set_nm_flags(ASN1_PCTX *p, unsigned long flags)
     p->nm_flags = flags;
 }
 
-unsigned long ASN1_PCTX_get_cert_flags(ASN1_PCTX *p)
+unsigned long ASN1_PCTX_get_cert_flags(const ASN1_PCTX *p)
 {
     return p->cert_flags;
 }
@@ -79,7 +79,7 @@ void ASN1_PCTX_set_cert_flags(ASN1_PCTX *p, unsigned long flags)
     p->cert_flags = flags;
 }
 
-unsigned long ASN1_PCTX_get_oid_flags(ASN1_PCTX *p)
+unsigned long ASN1_PCTX_get_oid_flags(const ASN1_PCTX *p)
 {
     return p->oid_flags;
 }
@@ -89,7 +89,7 @@ void ASN1_PCTX_set_oid_flags(ASN1_PCTX *p, unsigned long flags)
     p->oid_flags = flags;
 }
 
-unsigned long ASN1_PCTX_get_str_flags(ASN1_PCTX *p)
+unsigned long ASN1_PCTX_get_str_flags(const ASN1_PCTX *p)
 {
     return p->str_flags;
 }
@@ -106,7 +106,7 @@ static int asn1_item_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
                                const char *fname, const char *sname,
                                int nohdr, const ASN1_PCTX *pctx);
 
-int asn1_template_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
+static int asn1_template_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
                             const ASN1_TEMPLATE *tt, const ASN1_PCTX *pctx);
 
 static int asn1_primitive_print(BIO *out, ASN1_VALUE **fld,
@@ -261,7 +261,7 @@ static int asn1_item_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
     return 1;
 }
 
-int asn1_template_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
+static int asn1_template_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
                             const ASN1_TEMPLATE *tt, const ASN1_PCTX *pctx)
 {
     int i, flags;
diff --git a/include/openssl/asn1.h b/include/openssl/asn1.h
index 0315091652..dc925aee8d 100644
--- a/include/openssl/asn1.h
+++ b/include/openssl/asn1.h
@@ -836,15 +836,15 @@ int ASN1_item_print(BIO *out, ASN1_VALUE *ifld, int indent,
                     const ASN1_ITEM *it, const ASN1_PCTX *pctx);
 ASN1_PCTX *ASN1_PCTX_new(void);
 void ASN1_PCTX_free(ASN1_PCTX *p);
-unsigned long ASN1_PCTX_get_flags(ASN1_PCTX *p);
+unsigned long ASN1_PCTX_get_flags(const ASN1_PCTX *p);
 void ASN1_PCTX_set_flags(ASN1_PCTX *p, unsigned long flags);
-unsigned long ASN1_PCTX_get_nm_flags(ASN1_PCTX *p);
+unsigned long ASN1_PCTX_get_nm_flags(const ASN1_PCTX *p);
 void ASN1_PCTX_set_nm_flags(ASN1_PCTX *p, unsigned long flags);
-unsigned long ASN1_PCTX_get_cert_flags(ASN1_PCTX *p);
+unsigned long ASN1_PCTX_get_cert_flags(const ASN1_PCTX *p);
 void ASN1_PCTX_set_cert_flags(ASN1_PCTX *p, unsigned long flags);
-unsigned long ASN1_PCTX_get_oid_flags(ASN1_PCTX *p);
+unsigned long ASN1_PCTX_get_oid_flags(const ASN1_PCTX *p);
 void ASN1_PCTX_set_oid_flags(ASN1_PCTX *p, unsigned long flags);
-unsigned long ASN1_PCTX_get_str_flags(ASN1_PCTX *p);
+unsigned long ASN1_PCTX_get_str_flags(const ASN1_PCTX *p);
 void ASN1_PCTX_set_str_flags(ASN1_PCTX *p, unsigned long flags);
 
 ASN1_SCTX *ASN1_SCTX_new(int (*scan_cb) (ASN1_SCTX *ctx));