diff --git a/lib/krb5/error_string.c b/lib/krb5/error_string.c
index 9c4c23884..bbcaeca5d 100644
--- a/lib/krb5/error_string.c
+++ b/lib/krb5/error_string.c
@@ -217,7 +217,6 @@ krb5_have_error_string(krb5_context context)
 const char * KRB5_LIB_FUNCTION
 krb5_get_error_message(krb5_context context, krb5_error_code code)
 {
-    const char *cstr;
     char *str;
 
     HEIMDAL_MUTEX_lock(context->mutex);