diff --git a/kmplot.spec b/kmplot.spec
index fd83dfe..7858584 100644
--- a/kmplot.spec
+++ b/kmplot.spec
@@ -57,23 +57,18 @@ Mathematical function plotter by KDE.
 %setup -q
 
 %build
-%if 0%{?suse_version} < 1500
-# the default gcc 4.8 is too old
-export CC=gcc-7
-export CXX=g++-7
-%endif
 %ifarch ppc ppc64
 export RPM_OPT_FLAGS="%{optflags} -mminimal-toc"
 %endif
-  %cmake_kf5 -d build
-  %cmake_build
+%cmake_kf5 -d build
+%cmake_build
 
 %install
-  %kf5_makeinstall -C build
-  %if %{with lang}
-    %find_lang %{name} --with-man --all-name
-    %{kf5_find_htmldocs}
-  %endif
+%kf5_makeinstall -C build
+%if %{with lang}
+  %find_lang %{name} --with-man --all-name
+  %{kf5_find_htmldocs}
+%endif
 
 %files
 %license COPYING*