diff --git a/gnu/local.mk b/gnu/local.mk
index 229785b2db..f366be40b4 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -620,7 +620,6 @@ dist_patch_DATA =						\
   gnu/packages/patches/matplotlib-setupext-tk.patch		\
   gnu/packages/patches/maxima-defsystem-mkdir.patch		\
   gnu/packages/patches/mcron-install.patch			\
-  gnu/packages/patches/mdadm-gcc-4.9-fix.patch			\
   gnu/packages/patches/mhash-keygen-test-segfault.patch		\
   gnu/packages/patches/mit-krb5-CVE-2015-8629.patch		\
   gnu/packages/patches/mit-krb5-CVE-2015-8630.patch		\
diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index 3462d287b5..48f7499453 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -2318,7 +2318,7 @@ MPEG-2 and audio over Linux IEEE 1394.")
 (define-public mdadm
   (package
     (name "mdadm")
-    (version "3.3.2")
+    (version "3.4")
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -2326,8 +2326,7 @@ MPEG-2 and audio over Linux IEEE 1394.")
                     version ".tar.xz"))
               (sha256
                (base32
-                "132vdvh3myjgcjn6i9w90ck16ddjxjcszklzkyvr4f5ifqd7wfhg"))
-              (patches (search-patches "mdadm-gcc-4.9-fix.patch"))))
+                "0248v9f28mrbwabl94ck22gfim29sqhkf70wrpfi52nk4x3bxl17"))))
     (build-system gnu-build-system)
     (inputs
      `(("udev" ,eudev)))
diff --git a/gnu/packages/patches/mdadm-gcc-4.9-fix.patch b/gnu/packages/patches/mdadm-gcc-4.9-fix.patch
deleted file mode 100644
index 222fd0ea32..0000000000
--- a/gnu/packages/patches/mdadm-gcc-4.9-fix.patch
+++ /dev/null
@@ -1,38 +0,0 @@
-From 68641cdb646eaa15099c1d6cfff1eaa5dd2ac841 Mon Sep 17 00:00:00 2001
-From: Jes Sorensen <Jes.Sorensen@redhat.com>
-Date: Tue, 24 Feb 2015 16:00:40 -0500
-Subject: [PATCH] write_super_imsm_spares(): C statements are terminated by ;
-
-Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
-Signed-off-by: NeilBrown <neilb@suse.de>
----
- super-intel.c | 12 ++++++------
- 1 file changed, 6 insertions(+), 6 deletions(-)
-
-diff --git a/super-intel.c b/super-intel.c
-index 819e0da..7f75b53 100644
---- a/super-intel.c
-+++ b/super-intel.c
-@@ -5115,13 +5115,13 @@ static int write_super_imsm_spares(struct intel_super *super, int doclose)
- 	__u32 sum;
- 	struct dl *d;
- 
--	spare->mpb_size = __cpu_to_le32(sizeof(struct imsm_super)),
--	spare->generation_num = __cpu_to_le32(1UL),
-+	spare->mpb_size = __cpu_to_le32(sizeof(struct imsm_super));
-+	spare->generation_num = __cpu_to_le32(1UL);
- 	spare->attributes = MPB_ATTRIB_CHECKSUM_VERIFY;
--	spare->num_disks = 1,
--	spare->num_raid_devs = 0,
--	spare->cache_size = mpb->cache_size,
--	spare->pwr_cycle_count = __cpu_to_le32(1),
-+	spare->num_disks = 1;
-+	spare->num_raid_devs = 0;
-+	spare->cache_size = mpb->cache_size;
-+	spare->pwr_cycle_count = __cpu_to_le32(1);
- 
- 	snprintf((char *) spare->sig, MAX_SIGNATURE_LENGTH,
- 		 MPB_SIGNATURE MPB_VERSION_RAID0);
--- 
-2.4.3
-