diff --git a/pkgs/tools/networking/curl/default.nix b/pkgs/tools/networking/curl/default.nix
index de841be3f052..48f8edf7c44c 100644
--- a/pkgs/tools/networking/curl/default.nix
+++ b/pkgs/tools/networking/curl/default.nix
@@ -21,14 +21,14 @@ assert scpSupport -> libssh2 != null;
 assert c-aresSupport -> c-ares != null;
 
 stdenv.mkDerivation rec {
-  name = "curl-7.52.1";
+  name = "curl-7.53.0";
 
   src = fetchurl {
     url = "http://curl.haxx.se/download/${name}.tar.bz2";
-    sha256 = "16rqhyzlpnivifin8n7l2fr9ihay9v2nw2drsniinb6bcykqaqfi";
+    sha256 = "008833dd9w4l2277q9r0bsq1vqmm0fr7qqyzvqlw5d47xy5mld5j";
   };
 
-  patches = [ ./issue-1174.patch ];
+  patches = [ ];
 
   outputs = [ "bin" "dev" "out" "man" "devdoc" ];
 
diff --git a/pkgs/tools/networking/curl/issue-1174.patch b/pkgs/tools/networking/curl/issue-1174.patch
deleted file mode 100644
index eceeef8b001b..000000000000
--- a/pkgs/tools/networking/curl/issue-1174.patch
+++ /dev/null
@@ -1,34 +0,0 @@
-commit a7b38c9dc98481e4a5fc37e51a8690337c674dfb
-Author: Daniel Stenberg <daniel@haxx.se>
-Date:   Mon Dec 26 00:06:33 2016 +0100
-
-    vtls: s/SSLEAY/OPENSSL
-    
-    Fixed an old leftover use of the USE_SSLEAY define which would make a
-    socket get removed from the applications sockets to monitor when the
-    multi_socket API was used, leading to timeouts.
-    
-    Bug: #1174
-
-diff --git a/lib/vtls/vtls.c b/lib/vtls/vtls.c
-index b808e1c..707f24b 100644
---- a/lib/vtls/vtls.c
-+++ b/lib/vtls/vtls.c
-@@ -484,7 +484,7 @@ void Curl_ssl_close_all(struct Curl_easy *data)
-   curlssl_close_all(data);
- }
- 
--#if defined(USE_SSLEAY) || defined(USE_GNUTLS) || defined(USE_SCHANNEL) || \
-+#if defined(USE_OPENSSL) || defined(USE_GNUTLS) || defined(USE_SCHANNEL) || \
-     defined(USE_DARWINSSL) || defined(USE_NSS)
- /* This function is for OpenSSL, GnuTLS, darwinssl, and schannel only. */
- int Curl_ssl_getsock(struct connectdata *conn, curl_socket_t *socks,
-@@ -518,7 +518,7 @@ int Curl_ssl_getsock(struct connectdata *conn,
-   (void)numsocks;
-   return GETSOCK_BLANK;
- }
--/* USE_SSLEAY || USE_GNUTLS || USE_SCHANNEL || USE_DARWINSSL || USE_NSS */
-+/* USE_OPENSSL || USE_GNUTLS || USE_SCHANNEL || USE_DARWINSSL || USE_NSS */
- #endif
- 
- void Curl_ssl_close(struct connectdata *conn, int sockindex)