diff --git a/fence-agents.spec b/fence-agents.spec
index 91c0848..8c6bab3 100644
--- a/fence-agents.spec
+++ b/fence-agents.spec
@@ -109,11 +109,10 @@ sed -i.orig 's|FENCE_ZVM=|FENCE_ZVM_PREVENTED=|' configure.ac
 
 %build
 ./autogen.sh
-export PYTHON="/usr/bin/python3" %{configure}
+export PYTHON="%{__python3}" %{configure}
 CFLAGS="$(echo '%{optflags}')" make %{_smp_mflags}
 
 %install
-rm -rf %{buildroot}
 make install DESTDIR=%{buildroot}
 # bytecompile Python source code in a non-standard location
 %py_byte_compile %{__python3} %{buildroot}%{_datadir}/fence
@@ -954,6 +953,7 @@ The fence-agents-zvm package contains a fence agent for IBM z/VM over IP.
 #- sanitize allfenceagents internally defined enumeration
 #- sanitize BuildRequires with respect to packaging guidelines
 #- bytecompile native Python modules and ship these bytecodes properly
+#- only refer to Python binary symbolically, drop buildroot cleanup
 
 * Fri Jul 13 2018 Fedora Release Engineering <releng@fedoraproject.org> - 4.2.1-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild