diff --git a/ngx_http_auth_digest_module.c b/ngx_http_auth_digest_module.c
index 0ddbe99..5869609 100644
--- a/ngx_http_auth_digest_module.c
+++ b/ngx_http_auth_digest_module.c
@@ -521,9 +521,6 @@ ngx_http_auth_digest_check_credentials(ngx_http_request_t *r, ngx_http_auth_dige
         else if (ngx_strncasecmp(name.data, (u_char *) "opaque", name.len) == 0) {
           ctx->opaque = value;
         }
-        else if (ngx_strncasecmp(name.data, (u_char *) "algorithm", name.len) == 0) {
-          ctx->algorithm = value;
-        }
 
         state = sw_lws_start;
         break;
diff --git a/ngx_http_auth_digest_module.h b/ngx_http_auth_digest_module.h
index b5e5c69..15ecea6 100644
--- a/ngx_http_auth_digest_module.h
+++ b/ngx_http_auth_digest_module.h
@@ -25,7 +25,6 @@ typedef struct {
   ngx_str_t response;
   ngx_str_t opaque;
   ngx_int_t stale;
-  ngx_str_t algorithm;
 } ngx_http_auth_digest_cred_t;
 
 // the nonce as an issue-time/random-num pair