diff --git a/README.md b/README.md
index a7a7f0d..6eb222e 100644
--- a/README.md
+++ b/README.md
@@ -93,7 +93,10 @@ Currently, this layer is still under continuous development.
 
   cv-bridge and dependent recipes, e.g., the image-transport recipes, depend on
   7568bfdd114597956a1da68746f207ec7f93a48d@openembedded-core.
-  
+  For native python-numpy support, these recipes also depend on
+  c13c5f40160d289bb62538a16900fed30621cb22@meta-openembedded or on
+  9bf355cceaec6ebacdcbcc35f9713ff73e1c85da@openembedded-core.
+
   Some recipes that need the Eigen library, e.g., the pcl-ros recipe, depend on
   424e3c1b930c0103c2cedfd4df1671e84a5256d5@meta-openembedded.
 
diff --git a/recipes-devtools/python/python-numpy_1.7.0.bbappend b/recipes-devtools/python/python-numpy_1.7.0.bbappend
deleted file mode 100644
index d3267ac..0000000
--- a/recipes-devtools/python/python-numpy_1.7.0.bbappend
+++ /dev/null
@@ -1 +0,0 @@
-BBCLASSEXTEND = "native"