diff --git a/.devcontainer/cuda12.9-conda/devcontainer.json b/.devcontainer/cuda12.9-conda/devcontainer.json
index c2ea935a..238bfbe6 100644
--- a/.devcontainer/cuda12.9-conda/devcontainer.json
+++ b/.devcontainer/cuda12.9-conda/devcontainer.json
@@ -60,7 +60,6 @@
   "workspaceFolder": "/home/coder",
   "workspaceMount": "source=${localWorkspaceFolder},target=/home/coder/devcontainers,type=bind,consistency=consistent",
   "mounts": [
-    "source=/etc/timezone,target=/etc/timezone,type=bind,consistency=consistent",
     "source=/etc/localtime,target=/etc/localtime,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../rmm,target=/home/coder/rmm,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../dask-cuda,target=/home/coder/dask-cuda,type=bind,consistency=consistent",
diff --git a/.devcontainer/cuda12.9-pip/devcontainer.json b/.devcontainer/cuda12.9-pip/devcontainer.json
index ca0880dd..470b6abd 100644
--- a/.devcontainer/cuda12.9-pip/devcontainer.json
+++ b/.devcontainer/cuda12.9-pip/devcontainer.json
@@ -48,7 +48,6 @@
   "workspaceFolder": "/home/coder",
   "workspaceMount": "source=${localWorkspaceFolder},target=/home/coder/devcontainers,type=bind,consistency=consistent",
   "mounts": [
-    "source=/etc/timezone,target=/etc/timezone,type=bind,consistency=consistent",
     "source=/etc/localtime,target=/etc/localtime,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../rmm,target=/home/coder/rmm,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../dask-cuda,target=/home/coder/dask-cuda,type=bind,consistency=consistent",
diff --git a/.devcontainer/cuda13.3-conda/devcontainer.json b/.devcontainer/cuda13.3-conda/devcontainer.json
index 8ea2498b..8ad895ad 100644
--- a/.devcontainer/cuda13.3-conda/devcontainer.json
+++ b/.devcontainer/cuda13.3-conda/devcontainer.json
@@ -60,7 +60,6 @@
   "workspaceFolder": "/home/coder",
   "workspaceMount": "source=${localWorkspaceFolder},target=/home/coder/devcontainers,type=bind,consistency=consistent",
   "mounts": [
-    "source=/etc/timezone,target=/etc/timezone,type=bind,consistency=consistent",
     "source=/etc/localtime,target=/etc/localtime,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../rmm,target=/home/coder/rmm,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../dask-cuda,target=/home/coder/dask-cuda,type=bind,consistency=consistent",
diff --git a/.devcontainer/cuda13.3-pip/devcontainer.json b/.devcontainer/cuda13.3-pip/devcontainer.json
index 5d91f448..1daafa46 100644
--- a/.devcontainer/cuda13.3-pip/devcontainer.json
+++ b/.devcontainer/cuda13.3-pip/devcontainer.json
@@ -48,7 +48,6 @@
   "workspaceFolder": "/home/coder",
   "workspaceMount": "source=${localWorkspaceFolder},target=/home/coder/devcontainers,type=bind,consistency=consistent",
   "mounts": [
-    "source=/etc/timezone,target=/etc/timezone,type=bind,consistency=consistent",
     "source=/etc/localtime,target=/etc/localtime,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../rmm,target=/home/coder/rmm,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../dask-cuda,target=/home/coder/dask-cuda,type=bind,consistency=consistent",