diff --git a/src/libutil/tests/fmt.cc b/src/libutil/tests/fmt.cc
index 33772162c..1ff5980d5 100644
--- a/src/libutil/tests/fmt.cc
+++ b/src/libutil/tests/fmt.cc
@@ -1,9 +1,7 @@
-#include "fmt.hh"
+#include "hilite.hh"
 
 #include <gtest/gtest.h>
 
-#include <regex>
-
 namespace nix {
 /* ----------- tests for fmt.hh -------------------------------------------------*/