diff --git a/fuzz/idna.cc b/fuzz/idna.cc
index 31ad94be4..ac4f0cda2 100644
--- a/fuzz/idna.cc
+++ b/fuzz/idna.cc
@@ -9,7 +9,6 @@
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   FuzzedDataProvider fdp(data, size);
   std::string source = fdp.ConsumeRandomLengthString(256);
-  std::string base_source = fdp.ConsumeRandomLengthString(256);
 
   /**
    * ada::idna
diff --git a/fuzz/url_pattern.options b/fuzz/url_pattern.options
new file mode 100644
index 000000000..c1025fc28
--- /dev/null
+++ b/fuzz/url_pattern.options
@@ -0,0 +1,4 @@
+[libfuzzer]
+dict = url.dict
+max_len = 512
+rss_limit_mb = 3000