diff --git a/test/tap/tests/reg_test_3606-mysql_warnings-t.cpp b/test/tap/tests/reg_test_3606-mysql_warnings-t.cpp
index fdf93f2702..b5a1fc3166 100644
--- a/test/tap/tests/reg_test_3606-mysql_warnings-t.cpp
+++ b/test/tap/tests/reg_test_3606-mysql_warnings-t.cpp
@@ -26,7 +26,6 @@
 #include "tap.h"
 #include "command_line.h"
 #include "utils.h"
-#include "utils.h"
 
 using std::vector;
 using std::tuple;