diff --git a/src/highlighters.cc b/src/highlighters.cc
index 357ab120..107ea9e2 100644
--- a/src/highlighters.cc
+++ b/src/highlighters.cc
@@ -21,8 +21,6 @@
 namespace Kakoune
 {
 
-using namespace std::placeholders;
-
 template<typename T>
 void highlight_range(DisplayBuffer& display_buffer,
                      ByteCoord begin, ByteCoord end,