diff --git a/python-lxml.changes b/python-lxml.changes
index 97b918c..59aac42 100644
--- a/python-lxml.changes
+++ b/python-lxml.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Jul  2 15:03:15 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com>
+
+- Remove generated files
+
 -------------------------------------------------------------------
 Fri Apr  5 12:10:42 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com>
 
diff --git a/python-lxml.spec b/python-lxml.spec
index b00085c..09de671 100644
--- a/python-lxml.spec
+++ b/python-lxml.spec
@@ -74,10 +74,9 @@ This package contains header files needed to use lxml's C API.
 cp %{SOURCE1} .
 
 # remove generated files
-# rm src/lxml/lxml.etree.c
+find -name '*.c' | xargs rm
 rm src/lxml/lxml.etree.h
 rm src/lxml/lxml.etree_api.h
-# rm src/lxml/lxml.objectify.c
 
 %build
 export CFLAGS="%{optflags}"