diff --git a/debian/clean b/debian/clean
new file mode 100644
index 0000000..e0e99f6
--- /dev/null
+++ b/debian/clean
@@ -0,0 +1 @@
+externals/sirit
diff --git a/debian/rules b/debian/rules
index 7870d01..efc6174 100755
--- a/debian/rules
+++ b/debian/rules
@@ -80,6 +80,3 @@ override_dh_auto_test:
 	else \
 		dh_auto_test ; \
 	fi
-
-execute_after_dh_auto_clean:
-	$(RM) externals/sirit