diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 8baae2b..745a218 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -32,7 +32,17 @@
                 "ms-python.python",
                 "ms-toolsai.jupyter",
                 "ms-toolsai.jupyter-renderers"
-            ]
+            ],
+            "settings": {
+                "extensions.ignoreRecommendations": true,
+                "files.autoSave": "afterDelay",
+                "files.autoSaveDelay": 1000,
+                "git.autofetch": true,
+                "python.analysis.extraPaths": [".devcontainer/ehrql-main/"],
+                "python.defaultInterpreterPath": "/opt/venv/bin/python3.10",
+                "python.terminal.activateEnvironment": true,
+                "window.autoDetectColorScheme": true
+            }
         }
     },
     // Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
diff --git a/.vscode/settings.json b/.vscode/settings.json
deleted file mode 100644
index 980d7ff..0000000
--- a/.vscode/settings.json
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-    "python.analysis.extraPaths": [".devcontainer/ehrql-main/"],
-    "python.defaultInterpreterPath": "/opt/venv/bin/python3.10",
-    "python.terminal.activateEnvironment": true,
-    "data.preview.create.json.schema": false,
-    "files.associations": {
-        "*.feather": "arrow",
-    },
-    "files.autoSave": "afterDelay",
-    "files.autoSaveDelay": 1000,
-    "git.autofetch": true,
-    "window.autoDetectColorScheme": true,
-    "extensions.ignoreRecommendations": true,
-    "data.preview.theme": "light"  
-}