diff --git a/ngx_http_zip_file.c b/ngx_http_zip_file.c
index 866b643..7b0b74b 100644
--- a/ngx_http_zip_file.c
+++ b/ngx_http_zip_file.c
@@ -223,7 +223,6 @@ ngx_http_zip_generate_pieces(ngx_http_request_t *r, ngx_http_zip_ctx_t *ctx)
 #ifdef NGX_ZIP_HAVE_ICONV
         if (ctx->unicode_path) {
             size_t inlen = file->filename.len, outlen, outleft;
-            size_t res;
             u_char *p, *in;
 
             //inbuf
@@ -243,8 +242,7 @@ ngx_http_zip_generate_pieces(ngx_http_request_t *r, ngx_http_zip_ctx_t *ctx)
             iconv(iconv_cd, NULL, NULL, NULL, NULL);
 
             //convert the string
-            res = iconv(iconv_cd, (char **)&in, &inlen, (char **)&p, &outleft);
-            //XXX if (res == (size_t)-1) { ? }
+            iconv(iconv_cd, (char **)&in, &inlen, (char **)&p, &outleft);
         
             file->filename.len = outlen - outleft;
 
diff --git a/ngx_http_zip_headers.c b/ngx_http_zip_headers.c
index a89da39..b9e7eba 100644
--- a/ngx_http_zip_headers.c
+++ b/ngx_http_zip_headers.c
@@ -196,10 +196,8 @@ ngx_http_zip_add_partial_content_range(ngx_http_request_t *r,
 ngx_int_t
 ngx_http_zip_strip_range_header(ngx_http_request_t *r)
 {
-    ngx_list_part_t    *part;
     ngx_table_elt_t    *header;
 
-    part = &r->headers_in.headers.part;
     header = r->headers_in.range;
 
     if (header) {