diff --git a/README.md b/README.md
index 035bcc492..5ffcafb12 100644
--- a/README.md
+++ b/README.md
@@ -27,13 +27,13 @@ Brax offers four distinct physics pipelines that are easy to swap:
* [MuJoCo XLA - MJX](https://mujoco.readthedocs.io/en/stable/mjx.html) - a JAX
reimplementation of the MuJoCo physics engine.
-* [Generalized](https://github.com/google/brax/blob/main/brax/v2/generalized/)
+* [Generalized](https://github.com/google/brax/blob/main/brax/generalized/)
calculates motion in [generalized coordinates](https://en.wikipedia.org/wiki/Generalized_coordinates)
using dynamics algorithms similar to [MuJoCo](https://mujoco.org/) and [TDS](https://github.com/erwincoumans/tiny-differentiable-simulator).
-* [Positional](https://github.com/google/brax/blob/main/brax/v2/positional/)
+* [Positional](https://github.com/google/brax/blob/main/brax/positional/)
uses [Position Based Dynamics](https://matthias-research.github.io/pages/publications/posBasedDyn.pdf),
a fast but stable method of resolving joint and collision constraints.
-* [Spring](https://github.com/google/brax/blob/main/brax/v2/spring/) provides
+* [Spring](https://github.com/google/brax/blob/main/brax/spring/) provides
fast and cheap simulation for rapid experimentation, using simple impulse-based
methods often found in video games.
diff --git a/brax/test_data/capsule.xml b/brax/test_data/capsule.xml
index 2fe7831bc..f98e84009 100644
--- a/brax/test_data/capsule.xml
+++ b/brax/test_data/capsule.xml
@@ -9,7 +9,7 @@
-
+
diff --git a/brax/test_data/world_body_transform.xml b/brax/test_data/world_body_transform.xml
index 38719edaf..98ce951cb 100644
--- a/brax/test_data/world_body_transform.xml
+++ b/brax/test_data/world_body_transform.xml
@@ -2,7 +2,7 @@
-
+
diff --git a/brax/test_data/world_fromto.xml b/brax/test_data/world_fromto.xml
index e92f116a0..a66d21106 100644
--- a/brax/test_data/world_fromto.xml
+++ b/brax/test_data/world_fromto.xml
@@ -1,7 +1,6 @@
-