diff --git a/z3-sse2.patch b/z3-sse2.patch
deleted file mode 100644
index 8fa4ad7..0000000
--- a/z3-sse2.patch
+++ /dev/null
@@ -1,12 +0,0 @@
---- src/util/hwf.cpp.orig	2017-12-19 21:13:53.225563733 -0700
-+++ src/util/hwf.cpp	2017-12-19 21:15:00.345290291 -0700
-@@ -29,8 +29,7 @@ Revision History:
- #include<fenv.h>
- #endif
- 
--#if defined(__x86_64__) || defined(_M_X64) ||    \
--    defined(__i386) || defined(_M_IX86)
-+#if defined(__x86_64__) || defined(_M_X64)
- #define USE_INTRINSICS
- #endif
- 
diff --git a/z3.spec b/z3.spec
index b82e9e3..889a714 100644
--- a/z3.spec
+++ b/z3.spec
@@ -2,14 +2,12 @@
 
 Name:           z3
 Version:        4.7.1
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        Satisfiability Modulo Theories (SMT) solver
 
 License:        MIT
 URL:            https://github.com/Z3Prover/z3
 Source0:        https://github.com/Z3Prover/z3/archive/%{name}-%{version}.tar.gz
-# Do not try to build with SSE2 on non-x86_64 arches
-Patch0:         %{name}-sse2.patch
 
 BuildRequires:  doxygen
 BuildRequires:  gcc-c++
@@ -22,9 +20,9 @@ BuildRequires:  ocaml-findlib
 BuildRequires:  ocaml-ocamldoc
 BuildRequires:  ocaml-num-devel
 BuildRequires:  python2-devel
-BuildRequires:  python2-setuptools
+BuildRequires:  python2dist(setuptools)
 BuildRequires:  python3-devel
-BuildRequires:  python3-setuptools
+BuildRequires:  python3dist(setuptools)
 
 Requires:       %{name}-libs%{?_isa} = %{version}-%{release}
 
@@ -97,7 +95,6 @@ Python 3 interface to z3.
 
 %prep
 %setup -q -n %{name}-%{name}-%{version}
-%patch0
 
 # Install python objects into the right place, enable verbose builds, use
 # Fedora CFLAGS, preserve timestamps when installing, include the entire
@@ -117,8 +114,8 @@ sed -e "s|^\(PYTHON_PACKAGE_DIR=\).*|\1'%{python2_sitearch}'|" \
   -e "s/OCAML_FLAGS = ''/OCAML_FLAGS = '-g'/" \
   -i scripts/mk_util.py
 
-# Do not try to build with SSE2 support on non-x86_64 arches.
-%ifnarch x86_64
+# Do not try to build with SSE2 support on non-x86 arches.
+%ifnarch %{ix86} x86_64
 sed -i 's/exec_compiler_cmd.*-msse.*:/None:/' scripts/mk_util.py
 %endif
 
@@ -259,6 +256,9 @@ mv %{buildroot}%{_prefix}/lib/lib%{name}java.so %{buildroot}%{_libdir}/%{name}
 %{python3_sitearch}/%{name}/
 
 %changelog
+* Fri Sep  7 2018 Jerry James <loganjerry@gmail.com> - 4.7.1-5
+- Build with SSE2 support on 32-bit x86
+
 * Sat Jul 14 2018 Fedora Release Engineering <releng@fedoraproject.org> - 4.7.1-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild