diff --git a/lldb/source/Host/common/MainLoop.cpp b/lldb/source/Host/common/MainLoop.cpp
index cde84fdf9567..d33885774607 100644
--- a/lldb/source/Host/common/MainLoop.cpp
+++ b/lldb/source/Host/common/MainLoop.cpp
@@ -15,7 +15,6 @@
 #include <cassert>
 #include <cerrno>
 #include <csignal>
-#include <sys/select.h>
 #include <vector>
 
 #if HAVE_SYS_EVENT_H