diff --git a/packages/openpi-client/pyproject.toml b/packages/openpi-client/pyproject.toml
index fba7b66f62..984ef55662 100644
--- a/packages/openpi-client/pyproject.toml
+++ b/packages/openpi-client/pyproject.toml
@@ -7,7 +7,6 @@ dependencies = [
     "msgpack>=1.0.5",
     "numpy>=1.22.4,<2.0.0",
     "pillow>=9.0.0",
-    "tree>=0.2.4",
     "websockets>=11.0",
 ]
 
diff --git a/uv.lock b/uv.lock
index 11ee7efb59..1629e9e3eb 100644
--- a/uv.lock
+++ b/uv.lock
@@ -3214,7 +3214,6 @@ dependencies = [
     { name = "msgpack" },
     { name = "numpy" },
     { name = "pillow" },
-    { name = "tree" },
     { name = "websockets" },
 ]
 
@@ -3229,7 +3228,6 @@ requires-dist = [
     { name = "msgpack", specifier = ">=1.0.5" },
     { name = "numpy", specifier = ">=1.22.4,<2.0.0" },
     { name = "pillow", specifier = ">=9.0.0" },
-    { name = "tree", specifier = ">=0.2.4" },
     { name = "websockets", specifier = ">=11.0" },
 ]