diff --git a/Botan-fix_install_paths.patch b/Botan-fix_install_paths.patch
index 6d5dbc0..bde6fa6 100644
--- a/Botan-fix_install_paths.patch
+++ b/Botan-fix_install_paths.patch
@@ -42,3 +42,20 @@ Index: src/build-data/makefile/unix_shr.in
  PKGCONF_DIR   = $(LIBDIR)/pkgconfig
  
  CONFIG_SCRIPT = %{botan_config}
+--- src/build-data/botan-config.in.orig	2016-05-13 00:45:07.618245779 +0200
++++ src/build-data/botan-config.in	2016-05-13 00:45:38.386439746 +0200
+@@ -32,12 +32,12 @@ while test $# -gt 0; do
+         exit 0
+         ;;
+     --cflags)
+-        echo -I$prefix/$includedir
++        echo -I$includedir
+         ;;
+     --libs)
+         if [ $prefix != "/usr" ]
+         then
+-           echo -L$prefix/$libdir -lbotan-%{version_major}.%{version_minor} %{link_to}
++           echo -L$libdir -lbotan-%{version_major}.%{version_minor} %{link_to}
+         else
+            echo -lbotan-%{version_major}.%{version_minor} %{link_to}
+         fi
diff --git a/Botan-fix_pkgconfig.patch b/Botan-fix_pkgconfig.patch
index efbef64..7dfcb6e 100644
--- a/Botan-fix_pkgconfig.patch
+++ b/Botan-fix_pkgconfig.patch
@@ -1,12 +1,10 @@
-Index: src/build-data/botan.pc.in
-===================================================================
---- src/build-data/botan.pc.in.orig	2011-06-20 15:52:09.000000000 +0200
-+++ src/build-data/botan.pc.in	2011-06-21 18:17:45.434985232 +0200
+--- src/build-data/botan.pc.in.orig	2016-05-13 00:48:09.219402555 +0200
++++ src/build-data/botan.pc.in	2016-05-13 00:48:57.479714720 +0200
 @@ -1,6 +1,6 @@
  prefix=%{prefix}
  exec_prefix=${prefix}
 -libdir=${prefix}/%{libdir}
-+libdir=${prefix}%{libdir}
++libdir=%{libdir}
  includedir=${prefix}/include/botan-%{version_major}.%{version_minor}
  
  Name: Botan
diff --git a/Botan.changes b/Botan.changes
index b14305e..027cdaa 100644
--- a/Botan.changes
+++ b/Botan.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri May 13 07:31:21 UTC 2016 - faure@kde.org
+
+- Remove Qt5 dependency, since nothing is using it anymore.
+- Fix double-prefix in botan-config and pkgconfig file.
+
 -------------------------------------------------------------------
 Wed Feb  3 10:52:19 UTC 2016 - michael@stroeder.com
 
diff --git a/Botan.spec b/Botan.spec
index 3784c3e..a66baf8 100644
--- a/Botan.spec
+++ b/Botan.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package Botan
 #
-# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -42,7 +42,6 @@ BuildRequires:  gcc-c++
 BuildRequires:  gmp-devel
 BuildRequires:  gmp-devel >= 4.1
 BuildRequires:  libbz2-devel
-BuildRequires:  libqt5-qtbase-devel
 BuildRequires:  openssl-devel
 BuildRequires:  pkg-config
 BuildRequires:  python
@@ -96,7 +95,6 @@ programs that use the Botan library.
 %build
 export RPM_OPT_FLAGS
 
-%define common_config_flags --libdir=%{_lib} --with-bzip2 --with-zlib --with-gnump --with-openssl
 ./configure.py \
   --prefix=%{_prefix} \
   --libdir=%{_libdir} \
@@ -106,10 +104,9 @@ export RPM_OPT_FLAGS
   --with-zlib \
   --with-gnump \
   --with-openssl \
-  --enable-modules=qt_mutex \
   --with-tr1-implementation=system  \
   --cpu=%{_target_cpu}
-make %{?_smp_mflags} WARN_FLAGS="%{optflags} -I/usr/include/Qt"
+make %{?_smp_mflags} WARN_FLAGS="%{optflags}"
 
 %install
 make DESTDIR=%{buildroot} install %{?_smp_mflags}