diff --git a/gnu/local.mk b/gnu/local.mk
index 0e3e4eecf0..e502a6519a 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1747,7 +1747,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/twinkle-bcg729.patch			\
   %D%/packages/patches/u-boot-rockchip-inno-usb.patch		\
   %D%/packages/patches/u-boot-riscv64-fix-extlinux.patch	\
-  %D%/packages/patches/ucx-tcp-iface-ioctl.patch		\
   %D%/packages/patches/udiskie-no-appindicator.patch		\
   %D%/packages/patches/ungoogled-chromium-extension-search-path.patch	\
   %D%/packages/patches/unison-fix-ocaml-4.08.patch		\
diff --git a/gnu/packages/fabric-management.scm b/gnu/packages/fabric-management.scm
index 0e8b388cd1..e0ea3c2bf1 100644
--- a/gnu/packages/fabric-management.scm
+++ b/gnu/packages/fabric-management.scm
@@ -181,7 +181,7 @@ (define-public ibutils
 (define-public ucx
   (package
     (name "ucx")
-    (version "1.6.1")
+    (version "1.9.0")
     (source (origin
               (method git-fetch)
               (uri (git-reference
@@ -190,8 +190,7 @@ (define-public ucx
               (file-name (git-file-name name version))
               (sha256
                (base32
-                "0x3clvy716i7va4m4adgx6ihjsfnzrkdizhxz5v52944dkglpc8n"))
-              (patches (search-patches "ucx-tcp-iface-ioctl.patch"))))
+                "0i0ji5ivzxjqh3ys1m517ghw3am7cw1hvf40ma7hsq3wznsyx5s1"))))
     (build-system gnu-build-system)
     (arguments
      '( ;; These are some of the flags found in 'contrib/configure-release'.
diff --git a/gnu/packages/patches/ucx-tcp-iface-ioctl.patch b/gnu/packages/patches/ucx-tcp-iface-ioctl.patch
deleted file mode 100644
index d5df7047bc..0000000000
--- a/gnu/packages/patches/ucx-tcp-iface-ioctl.patch
+++ /dev/null
@@ -1,109 +0,0 @@
-Since /sys is unavailable in build environments, the list of available
-TCP network interfaces cannot be obtained via /sys/class/net.  This patch
-provides alternative code that uses the SIOCGIFCONF ioctl to get the
-names of the available TCP network interfaces.
-
-diff --git a/src/uct/tcp/tcp_iface.c b/src/uct/tcp/tcp_iface.c
-index 81ad459..10024a6 100644
---- a/src/uct/tcp/tcp_iface.c
-+++ b/src/uct/tcp/tcp_iface.c
-@@ -12,6 +12,8 @@
- #include <sys/poll.h>
- #include <netinet/tcp.h>
- #include <dirent.h>
-+#include <net/if.h>
-+#include <sys/ioctl.h>
- 
- static ucs_config_field_t uct_tcp_iface_config_table[] = {
-   {"", "MAX_SHORT=8k", NULL,
-@@ -483,6 +485,70 @@ static UCS_CLASS_DEFINE_NEW_FUNC(uct_tcp_iface_t, uct_iface_t, uct_md_h,
-                                  uct_worker_h, const uct_iface_params_t*,
-                                  const uct_iface_config_t*);
- 
-+/* Fetch information about available network devices through an ioctl.  */
-+static ucs_status_t query_devices_ioctl(uct_md_h md,
-+					uct_tl_resource_desc_t **resource_p,
-+					unsigned *num_resources_p)
-+{
-+    int sock, err, i;
-+    uct_tl_resource_desc_t *resources, *tmp;
-+    unsigned num_resources;
-+    ucs_status_t status;
-+    struct ifconf conf;
-+    struct ifreq reqs[10];
-+
-+    conf.ifc_len = sizeof reqs;
-+    conf.ifc_req = reqs;
-+
-+    sock = socket(SOCK_STREAM, AF_INET, 0);
-+    if (sock < 0) {
-+	ucs_error("socket(2) failed: %m");
-+	status = UCS_ERR_IO_ERROR;
-+	goto out;
-+    }
-+
-+    err = ioctl(sock, SIOCGIFCONF, &conf);
-+    if (err < 0) {
-+	ucs_error("SIOCGIFCONF ioctl failed: %m");
-+	status = UCS_ERR_IO_ERROR;
-+	goto out;
-+    }
-+
-+    resources     = NULL;
-+    num_resources = 0;
-+    for (i = 0; i < conf.ifc_len / sizeof(struct ifreq); i++) {
-+	const char *name = reqs[i].ifr_name;
-+
-+        if (!ucs_netif_is_active(name)) {
-+            continue;
-+        }
-+
-+        tmp = ucs_realloc(resources, sizeof(*resources) * (num_resources + 1),
-+                          "tcp resources");
-+        if (tmp == NULL) {
-+            ucs_free(resources);
-+            status = UCS_ERR_NO_MEMORY;
-+            goto out;
-+        }
-+        resources = tmp;
-+
-+        ucs_snprintf_zero(resources[i].tl_name, sizeof(resources[i].tl_name),
-+                          "%s", UCT_TCP_NAME);
-+        ucs_snprintf_zero(resources[i].dev_name, sizeof(resources[i].dev_name),
-+                          "%s", name);
-+        resources[i].dev_type = UCT_DEVICE_TYPE_NET;
-+        ++num_resources;
-+    }
-+
-+    *num_resources_p = num_resources;
-+    *resource_p      = resources;
-+    status           = UCS_OK;
-+
-+out:
-+    if (sock >= 0) close(sock);
-+    return status;
-+}
-+
- static ucs_status_t uct_tcp_query_tl_resources(uct_md_h md,
-                                                uct_tl_resource_desc_t **resource_p,
-                                                unsigned *num_resources_p)
-@@ -496,9 +562,9 @@ static ucs_status_t uct_tcp_query_tl_resources(uct_md_h md,
- 
-     dir = opendir(netdev_dir);
-     if (dir == NULL) {
--        ucs_error("opendir(%s) failed: %m", netdev_dir);
--        status = UCS_ERR_IO_ERROR;
--        goto out;
-+	/* When /sys is unavailable, as can be the case in a container,
-+	 * resort to a good old 'ioctl'.  */
-+	return query_devices_ioctl(md, resource_p, num_resources_p);
-     }
- 
-     resources     = NULL;
-@@ -543,6 +609,5 @@ static ucs_status_t uct_tcp_query_tl_resources(uct_md_h md,
- 
- out_closedir:
-     closedir(dir);
--out:
-     return status;
- }