diff --git a/weechat.spec b/weechat.spec
index 63dc742..89cdec0 100644
--- a/weechat.spec
+++ b/weechat.spec
@@ -1,6 +1,3 @@
-%if 0%{?rhel} && 0%{?rhel} < 9
-%undefine __cmake_in_source_build
-%endif
 %global __provides_exclude_from ^%{_libdir}/weechat/plugins/.*$
 
 Name:      weechat