diff --git a/README.md b/README.md
index 5580104cc..ed61f31e8 100644
--- a/README.md
+++ b/README.md
@@ -151,9 +151,6 @@ In Device Simulator Express, you can use keyboard to interact with the device:
 
 
 ## BBC micro:bit Simulator
->**NOTE 1**: this feature is hidden by default. To use it, enable the feature flag in the "deviceSimulatorExpress.previewMode" user setting.
-
->**NOTE 2**: micro:bit simulation is still in development. Features may not work as intended.
 
 ### Features
 - IntelliSense and syntax highlighting for micro:bit code 
diff --git a/locales/en/package.i18n.json b/locales/en/package.i18n.json
index 6681f33da..b74373674 100644
--- a/locales/en/package.i18n.json
+++ b/locales/en/package.i18n.json
@@ -15,6 +15,5 @@
   "deviceSimulatorExpressExtension.configuration.title": "Device Simulator Express configuration",
   "deviceSimulatorExpressExtension.configuration.properties.configEnvOnChange": "When you change the Python interpreter, the Device Simulator Express will automatically configure itself for the required dependencies.",
   "deviceSimulatorExpressExtension.configuration.properties.debuggerPort": "The port the Server will listen on for communication with the debugger.",
-  "deviceSimulatorExpressExtension.configuration.properties.dependencyChecker": "Whether or not to ask if we can download dependencies. If unchecked, the extension will default to never download dependencies, except when automatically creating a virtual environment in the extension files.",
-  "deviceSimulatorExpressExtension.configuration.properties.previewMode": "Enable this to test out and play with the new micro:bit simulator!"
+  "deviceSimulatorExpressExtension.configuration.properties.dependencyChecker": "Whether or not to ask if we can download dependencies. If unchecked, the extension will default to never download dependencies, except when automatically creating a virtual environment in the extension files."
 }
diff --git a/package.json b/package.json
index 4c18fe24a..a0175cd36 100644
--- a/package.json
+++ b/package.json
@@ -106,28 +106,6 @@
                 "category": "%deviceSimulatorExpressExtension.commands.common.label%"
             }
         ],
-        "menus": {
-            "commandPalette": [
-                {
-                    "command": "deviceSimulatorExpress.microbit.deployToDevice",
-                    "title": "%deviceSimulatorExpressExtension.commands.microbit.deployToDevice%",
-                    "category": "%deviceSimulatorExpressExtension.commands.common.label%",
-                    "when": "config.deviceSimulatorExpress.previewMode"
-                },
-                {
-                    "command": "deviceSimulatorExpress.microbit.openSimulator",
-                    "title": "%deviceSimulatorExpressExtension.commands.microbit.openSimulator%",
-                    "category": "%deviceSimulatorExpressExtension.commands.common.label%",
-                    "when": "config.deviceSimulatorExpress.previewMode"
-                },
-                {
-                    "command": "deviceSimulatorExpress.microbit.newFile",
-                    "title": "%deviceSimulatorExpressExtension.commands.microbit.newFile%",
-                    "category": "%deviceSimulatorExpressExtension.commands.common.label%",
-                    "when": "config.deviceSimulatorExpress.previewMode"
-                }
-            ]
-        },
         "colors": [
             {
                 "id": "highContrastButtonBorderOverride.color",
@@ -178,12 +156,6 @@
                     "default": 5577,
                     "description": "%deviceSimulatorExpressExtension.configuration.properties.debuggerPort%",
                     "scope": "resource"
-                },
-                "deviceSimulatorExpress.previewMode": {
-                    "type": "boolean",
-                    "default": false,
-                    "description": "%deviceSimulatorExpressExtension.configuration.properties.previewMode%",
-                    "scope": "resource"
                 }
             }
         },
diff --git a/package.nls.json b/package.nls.json
index 2f574c7eb..ad2a9ce7b 100644
--- a/package.nls.json
+++ b/package.nls.json
@@ -15,6 +15,5 @@
   "deviceSimulatorExpressExtension.configuration.title": "Device Simulator Express configuration",
   "deviceSimulatorExpressExtension.configuration.properties.configEnvOnChange": "When you change the Python interpreter, the Device Simulator Express will automatically configure itself for the required dependencies.",
   "deviceSimulatorExpressExtension.configuration.properties.debuggerPort": "The port the Server will listen on for communication with the debugger.",
-  "deviceSimulatorExpressExtension.configuration.properties.dependencyChecker": "Whether or not to ask for dependency downloads. If unchecked, the extension will default to never download dependencies, except when automatically creating a virtual environment in the extension files.",
-  "deviceSimulatorExpressExtension.configuration.properties.previewMode": "Enable this to test out and play with the new micro:bit simulator!"
+  "deviceSimulatorExpressExtension.configuration.properties.dependencyChecker": "Whether or not to ask for dependency downloads. If unchecked, the extension will default to never download dependencies, except when automatically creating a virtual environment in the extension files."
 }
diff --git a/src/constants.ts b/src/constants.ts
index 7e145dac9..7558b7665 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -20,7 +20,6 @@ export const CONFIG = {
     CONFIG_ENV_ON_SWITCH:
         "deviceSimulatorExpress.configNewEnvironmentUponSwitch",
     PYTHON_PATH: "python.pythonPath",
-    ENABLE_PREVIEW_MODE: "deviceSimulatorExpress.previewMode",
     SHOW_DEPENDENCY_INSTALL: "deviceSimulatorExpress.showDependencyInstall",
     SHOW_NEW_FILE_POPUP: "deviceSimulatorExpress.showNewFilePopup",
 };