diff --git a/eclass/python-single-r1.eclass b/eclass/python-single-r1.eclass
index d9fc34b0ed85a..a89926dbf51bb 100644
--- a/eclass/python-single-r1.eclass
+++ b/eclass/python-single-r1.eclass
@@ -255,6 +255,7 @@ _python_single_set_globals() {
 	fi
 }
 _python_single_set_globals
+unset -f _python_single_set_globals
 
 # @FUNCTION: python_gen_usedep
 # @USAGE: <pattern> [...]