diff --git a/gnu/local.mk b/gnu/local.mk
index 566791ede9..21b4b9532d 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -797,7 +797,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/libmad-armv7-thumb-pt2.patch		\
   %D%/packages/patches/libmad-frame-length.patch		\
   %D%/packages/patches/libmad-mips-newgcc.patch			\
-  %D%/packages/patches/libmwaw-CVE-2017-9433.patch		\
   %D%/packages/patches/libsndfile-armhf-type-checks.patch	\
   %D%/packages/patches/libsndfile-CVE-2017-8361-8363-8365.patch	\
   %D%/packages/patches/libsndfile-CVE-2017-8362.patch		\
diff --git a/gnu/packages/libreoffice.scm b/gnu/packages/libreoffice.scm
index 83dedd6b1d..c7e1d81c76 100644
--- a/gnu/packages/libreoffice.scm
+++ b/gnu/packages/libreoffice.scm
@@ -599,15 +599,14 @@ (define-public libodfgen
 (define-public libmwaw
   (package
     (name "libmwaw")
-    (version "0.3.11")
+    (version "0.3.12")
     (source
      (origin
       (method url-fetch)
       (uri (string-append "mirror://sourceforge/" name "/" name "/" name "-"
                           version "/" name "-" version ".tar.xz"))
-      (patches (search-patches "libmwaw-CVE-2017-9433.patch"))
       (sha256 (base32
-               "16i9s9p4sjpdpbm3gq6jkc9r3nyfy47ggkdlgh7vr0mydccklj2b"))))
+               "1ryi1v38lgy5kv84fzjqkawidrg30y4hlqrz1v262792wzkad4bn"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("doxygen" ,doxygen)
@@ -617,9 +616,6 @@ (define-public libmwaw
     (inputs
      `(("boost" ,boost)
        ("zlib" ,zlib)))
-    (arguments
-     ;; avoid triggering configure errors by simple inclusion of boost headers
-     `(#:configure-flags '("--disable-werror")))
     (home-page "https://sourceforge.net/p/libmwaw/wiki/Home/")
     (synopsis "Import library for some old Macintosh text documents")
     (description "Libmwaw contains some import filters for old Macintosh
diff --git a/gnu/packages/patches/libmwaw-CVE-2017-9433.patch b/gnu/packages/patches/libmwaw-CVE-2017-9433.patch
deleted file mode 100644
index 502a11d2a8..0000000000
--- a/gnu/packages/patches/libmwaw-CVE-2017-9433.patch
+++ /dev/null
@@ -1,33 +0,0 @@
-Fix CVE-2017-9433:
-
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9433
-
-Patch copied from upstream source repository:
-
-https://sourceforge.net/p/libmwaw/libmwaw/ci/68b3b74569881248bfb6cbb4266177cc253b292f
-
-From 68b3b74569881248bfb6cbb4266177cc253b292f Mon Sep 17 00:00:00 2001
-From: David Tardon <dtardon@redhat.com>
-Date: Sat, 8 Apr 2017 14:03:29 +0200
-Subject: [PATCH] ofz#1037 resize vector correctly
-
----
- src/lib/MsWrd1Parser.cxx | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/src/lib/MsWrd1Parser.cxx b/src/lib/MsWrd1Parser.cxx
-index 63547e6..3626064 100644
---- a/src/lib/MsWrd1Parser.cxx
-+++ b/src/lib/MsWrd1Parser.cxx
-@@ -902,7 +902,7 @@ bool MsWrd1Parser::readFootnoteCorrespondance(MWAWVec2i limits)
-     int id = fIt++->second;
-     fPos[1] = fIt==footnoteMap.end() ? m_state->m_eot : fIt->first;
-     if (id >= int(m_state->m_footnotesList.size()))
--      m_state->m_footnotesList.resize(size_t(id),MWAWVec2l(0,0));
-+      m_state->m_footnotesList.resize(size_t(id)+1,MWAWVec2l(0,0));
-     m_state->m_footnotesList[size_t(id)]=fPos;
-   }
-   ascii().addDelimiter(input->tell(),'|');
--- 
-2.13.1
-