diff --git a/git-curl-compat.h b/git-curl-compat.h
index e1d0bdd273..c24ed686c1 100644
--- a/git-curl-compat.h
+++ b/git-curl-compat.h
@@ -28,13 +28,6 @@
  * introduced, oldest first, in the official version of cURL library.
  */
 
-/**
- * CURL_SOCKOPT_OK was added in 7.21.5, released in April 2011.
- */
-#if LIBCURL_VERSION_NUM < 0x071505
-#define CURL_SOCKOPT_OK 0
-#endif
-
 /**
  * CURLOPT_TCP_KEEPALIVE was added in 7.25.0, released in March 2012.
  */