diff --git a/kf5-attica.spec b/kf5-attica.spec
index 975692a..3e7cee1 100644
--- a/kf5-attica.spec
+++ b/kf5-attica.spec
@@ -1,4 +1,3 @@
-%undefine __cmake_in_source_build
 %global framework attica
 %{!?docs: %global docs 1}
 
@@ -83,7 +82,6 @@ BuildArch: noarch
 
 %files devel
 %{_kf5_libdir}/cmake/KF5Attica/
-%{_kf5_includedir}/attica_version.h
 %{_kf5_includedir}/Attica/
 %{_kf5_libdir}/libKF5Attica.so
 %{_kf5_archdatadir}/mkspecs/modules/qt_Attica.pri