diff --git a/iface_fuzzer/ProtoFuzzerRunner.cpp b/iface_fuzzer/ProtoFuzzerRunner.cpp
index c3600b4..ed822a2 100644
--- a/iface_fuzzer/ProtoFuzzerRunner.cpp
+++ b/iface_fuzzer/ProtoFuzzerRunner.cpp
@@ -182,7 +182,6 @@
 
 void ProtoFuzzerRunner::Execute(const ExecSpec &exec_spec) {
   for (const auto &func_call : exec_spec.function_call()) {
-    cout << func_call.DebugString() << endl;
     Execute(func_call);
   }
 }