diff --git a/libraries/AP_OLC/AP_OLC.cpp b/libraries/AP_OLC/AP_OLC.cpp
index 288950bc68..8fd6e05391 100644
--- a/libraries/AP_OLC/AP_OLC.cpp
+++ b/libraries/AP_OLC/AP_OLC.cpp
@@ -15,7 +15,6 @@
  * AP_OLC is based on INAV olc.c implemention, thanks @fiam and other contributors.
  */
 
-#include <algorithm>
 #include "AP_OLC.h"
 
 #include <AP_Common/AP_Common.h>
@@ -187,4 +186,4 @@ int AP_OLC::olc_encode(int32_t lat, int32_t lon, size_t length, char *buf, size_
     return pos;
 }
 
-#endif 
\ No newline at end of file
+#endif