diff --git a/leaf b/leaf
index 1f52ea1..dda260c 100755
--- a/leaf
+++ b/leaf
@@ -234,6 +234,15 @@ leaf_reset_state() {
   src_postremove() {
     :
   }
+  src_prepare() {
+    :
+  }
+  src_build() {
+    :
+  }
+  src_check() {
+    :
+  }
 }
 
 leaf_strip_files() {