diff --git a/src/buffer_manager.hh b/src/buffer_manager.hh
index da0dea8f..5b0a37bc 100644
--- a/src/buffer_manager.hh
+++ b/src/buffer_manager.hh
@@ -5,8 +5,6 @@
 #include "utils.hh"
 #include "safe_ptr.hh"
 
-#include <unordered_map>
-
 namespace Kakoune
 {
 
diff --git a/src/main.cc b/src/main.cc
index 6065c89b..db6df89e 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -22,7 +22,6 @@
 #include "interned_string.hh"
 #include "window.hh"
 
-#include <unordered_map>
 #include <locale>
 #include <signal.h>
 
diff --git a/src/option_manager.hh b/src/option_manager.hh
index a153a097..439a0c53 100644
--- a/src/option_manager.hh
+++ b/src/option_manager.hh
@@ -8,8 +8,6 @@
 #include "utils.hh"
 #include "regex.hh"
 
-#include <unordered_map>
-
 namespace Kakoune
 {