Issue #13547: clean Lib/_sysconfigdata.py and Modules/_testembed
diff --git a/Makefile.pre.in b/Makefile.pre.in
index 3ff5f26..c49d777 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -1252,6 +1252,7 @@
 	find build -name 'fficonfig.h' -exec rm -f {} ';' || true
 	find build -name 'fficonfig.py' -exec rm -f {} ';' || true
 	-rm -f Lib/lib2to3/*Grammar*.pickle
+	-rm -f Modules/_testembed
 
 profile-removal:
 	find . -name '*.gc??' -exec rm -f {} ';'