diff --git a/tests/fuzzer/enc_fuzzer.cc b/tests/fuzzer/enc_fuzzer.cc
index bb9c27f5..c292c441 100644
--- a/tests/fuzzer/enc_fuzzer.cc
+++ b/tests/fuzzer/enc_fuzzer.cc
@@ -17,7 +17,6 @@
 #include <cstddef>
 #include <cstdint>
 #include <cstdlib>
-#include <cstdlib>
 #include <iostream>
 #include <string>
 #include <string_view>