diff --git a/README.md b/README.md
index 0a43903..d09681f 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,6 @@ Assets bundled with Blender releases in the Essentials assets library.
 ## Directory Layout
 
 * `publish`: Bundled with official releases.
-* `testing`: Bundled with development branches, work in progress
 * `working`: Not bundled, work in progress.
 * `icons`: Blend files used to create icons.
 
diff --git a/testing/blender_assets.cats.txt b/testing/blender_assets.cats.txt
deleted file mode 100644
index 30329c5..0000000
--- a/testing/blender_assets.cats.txt
+++ /dev/null
@@ -1,29 +0,0 @@
-# This is an Asset Catalog Definition file for Blender.
-#
-# Empty lines and lines starting with `#` will be ignored.
-# The first non-ignored line should be the version indicator.
-# Other lines are of the format "UUID:catalog/path/for/assets:simple catalog name"
-
-VERSION 1
-
-753df37f-2da1-4c8e-bf3e-3cbf24387e66:Brushes:Brushes
-8c4f15ab-755e-4929-9fd2-609157d8067f:Brushes/Curve Sculpt:Brushes-Curve Sculpt
-851d0192-113d-4737-b5d7-ab054198bdaa:Brushes/Curve Sculpt/Deform:Brushes-Curve Sculpt-Deform
-754a6925-6a06-476e-a714-25db953c80ea:Brushes/Curve Sculpt/Density:Brushes-Curve Sculpt-Density
-2c511e86-866e-4379-93db-7d25ac850a02:Brushes/Curve Sculpt/General:Brushes-Curve Sculpt-General
-00c402c1-8f55-45ab-bb26-b4c57c9e87ad:Brushes/Grease Pencil Draw:Brushes-Grease Pencil Draw
-98c3c158-b363-48d3-80cd-ce4846f5aed1:Brushes/Grease Pencil Paint:Brushes-Grease Pencil Paint
-eb75aff6-7006-4ecf-a41d-48c14e09c32c:Brushes/Grease Pencil Sculpt:Brushes-Grease Pencil Sculpt
-9601079f-86e9-4a6f-ba04-56ba1bef3a9f:Brushes/Grease Pencil Weight Paint:Brushes-Grease Pencil Weight Paint
-19f885c8-9bd7-43f7-98c1-104118c06f60:Brushes/Mesh Sculpt:Brushes-Mesh Sculpt
-abea2557-f13e-4e21-b4d8-11a1fffd7d57:Brushes/Mesh Sculpt/Cloth:Brushes-Mesh Sculpt-Cloth
-194fda97-6d88-41b1-b26d-f41cd8426518:Brushes/Mesh Sculpt/General:Brushes-Mesh Sculpt-General
-45d61c81-d318-4835-a37f-54af720391e6:Brushes/Mesh Sculpt/General/Add & Subtract:Brushes-Mesh Sculpt-General-Add & Subtract
-650ad315-0880-451e-8f49-7339af60808a:Brushes/Mesh Sculpt/General/Contrast:Brushes-Mesh Sculpt-General-Contrast
-4900134b-ead6-413d-b6bf-3fb6ff43bbe4:Brushes/Mesh Sculpt/General/Utilities:Brushes-Mesh Sculpt-General-Utilities
-eb98fe9e-0baa-417f-8ff1-d56dd79d2ce2:Brushes/Mesh Sculpt/General/Utilities:Brushes-Mesh Sculpt-General-Utilities
-a1131a99-c34b-4a28-b6d7-ce61fdbf2573:Brushes/Mesh Sculpt/General/Transform:Brushes-Mesh Sculpt-General-Transform
-722259b1-4abf-4d15-8b17-7875c8efb248:Brushes/Mesh Sculpt/Paint:Brushes-Mesh Sculpt-Paint
-a82f0b44-1d89-4ca7-ae21-86296257be99:Brushes/Mesh Texture Paint:Brushes-Mesh Texture Paint
-27cbc8dc-80c8-45d5-863c-7ecc48bccf20:Brushes/Mesh Vertex Paint:Brushes-Mesh Vertex Paint
-77635e98-1a5a-482e-9cb1-ba9ec4bc5b74:Brushes/Mesh Weight Paint:Brushes-Mesh Weight Paint
diff --git a/testing/brushes/essentials_brushes.blend b/testing/brushes/essentials_brushes.blend
deleted file mode 100644
index 88c260a..0000000
--- a/testing/brushes/essentials_brushes.blend
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6aa66b7b087501a124a1c7acce9099157563689dbf89b8d60417a780e205fb8e
-size 3960772