diff --git a/0001-drop-useless-test-for-ant-apache-regexp.patch b/0001-drop-useless-test-for-ant-apache-regexp.patch
new file mode 100644
index 0000000..961915b
--- /dev/null
+++ b/0001-drop-useless-test-for-ant-apache-regexp.patch
@@ -0,0 +1,71 @@
+From cb6511354b500d1b1bd8ff140fdf0ea106b174d4 Mon Sep 17 00:00:00 2001
+From: David Tardon <dtardon@redhat.com>
+Date: Wed, 3 Sep 2014 16:20:40 +0200
+Subject: [PATCH] drop useless test for ant-apache-regexp
+
+It has not been needed since commit
+1de48c417404464ca1e34e5c5d1c82a9342349bb 4 years ago.
+
+Change-Id: I53ceb5d8d6c02c7a13c86cdd884e4fc378a2c492
+---
+ configure.ac | 44 --------------------------------------------
+ 1 file changed, 44 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index f65ab66..897cb1e 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -12311,50 +12311,6 @@ EOF
+         AC_MSG_ERROR([no, you need at least Ant >= $ant_minver])
+     fi
+ 
+-    if test "$ENABLE_MEDIAWIKI" = "TRUE"; then
+-        AC_MSG_CHECKING([whether Ant supports mapper type="regexp"])
+-        rm -rf confdir
+-        mkdir confdir
+-        cat > conftest.java << EOF
+-            public class conftest {
+-                int testmethod(int a, int b) {
+-                    return a + b;
+-                }
+-            }
+-EOF
+-
+-        cat > conftest.xml << EOF
+-            <project name="conftest" default="conftest">
+-            <target name="conftest" depends="copytest">
+-                <javac srcdir="." includes="conftest.java">
+-                </javac>
+-            </target>
+-            <target name="copytest">
+-                 <copy todir="confdir">
+-                 <fileset dir="confdir" includes="**/*.abc" casesensitive="yes"/>
+-                 <filterset/>
+-                 <mapper type="regexp" from="^(.*[/\\])foo([/\\].*)" to="\1baa\2"/>
+-                 </copy>
+-            </target>
+-            </project>
+-EOF
+-
+-        if test "$JAVACISGCJ" = "yes"; then
+-            JAVA_HOME=; export JAVA_HOME
+-            ant_gcj="-Dbuild.compiler=gcj"
+-        fi
+-        AC_TRY_COMMAND("$ANT" $ant_gcj -buildfile conftest.xml 1>&2)
+-        if test $? = 0 -a -f ./conftest.class; then
+-            AC_MSG_RESULT([yes])
+-            rm -rf confdir
+-        else
+-            echo "configure: Ant test failed" >&5
+-            cat conftest.java >&5
+-            cat conftest.xml >&5
+-            rm -rf confdir
+-            AC_MSG_ERROR([no. Did you install ant-apache-regexp?])
+-        fi
+-    fi
+     rm -f conftest* core core.* *.core
+ fi
+ 
+-- 
+1.9.3
+
diff --git a/libreoffice.spec b/libreoffice.spec
index e7bfa6e..e306f99 100644
--- a/libreoffice.spec
+++ b/libreoffice.spec
@@ -218,7 +218,6 @@ BuildRequires: pkgconfig(zlib)
 
 # java stuff
 BuildRequires: ant
-BuildRequires: ant-apache-regexp
 %if 0%{?rhel} && 0%{?rhel} < 7
 BuildRequires: jakarta-commons-codec
 BuildRequires: jakarta-commons-lang
@@ -309,6 +308,7 @@ Patch53: 0001-cast-arg-to-the-right-type.patch
 Patch54: 0001-sigh-simply-forgot-to-include-the-endian-header.patch
 Patch55: 0002-Linux-AArch64-port.patch
 Patch56: 0001-fix-KDE4-detection-on-aarch64.patch
+Patch57: 0001-drop-useless-test-for-ant-apache-regexp.patch
 
 %define instdir %{_libdir}
 %define baseinstdir %{instdir}/libreoffice