diff --git a/ChangeLog b/ChangeLog
index 04570e4..fbc9d7b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -64,6 +64,7 @@
      codes to always wrap these codes into X.509 high level error codes before
      returning. Fixes #2431.
    * Fix typo in net_would_block(). Fixes #528 reported by github-monoculture.
+   * Remove redundant include file in timing.c. Fixes #2640 reported by irwir.
 
 API Changes
    * Extend the MBEDTLS_SSL_EXPORT_KEYS to export the handshake randbytes,
diff --git a/library/timing.c b/library/timing.c
index 413d133..009516a 100644
--- a/library/timing.c
+++ b/library/timing.c
@@ -51,7 +51,6 @@
 #if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
 
 #include <windows.h>
-#include <winbase.h>
 #include <process.h>
 
 struct _hr_time