diff --git a/README.md b/README.md
index 730ec6c0..592d6b04 100644
--- a/README.md
+++ b/README.md
@@ -66,8 +66,8 @@ python -m py_compile src/scripts/*.py && xcodebuild -target ios-deploy && xcodeb
 	  -m, --noinstall              directly start debugging without app install (-d not required)
 	  -A, --app_deltas             incremental install. must specify a directory to store app deltas to determine what needs to be installed
 	  -p, --port <number>          port used for device, default: dynamic
-	  -r, --uninstall              uninstall the app before install (do not use with -m; app cache and data are cleared)
-	  -9, --uninstall_only         uninstall the app ONLY. Use only with -1 <bundle_id>
+	  -r, --uninstall              uninstall the app before install (do not use with -m; app cache and data are cleared) 
+	  -9, --uninstall_only         uninstall the app ONLY. Use only with -1 <bundle_id> 
 	  -1, --bundle_id <bundle id>  specify bundle id for list and upload
 	  -l, --list[=<dir>]           list all app files or the specified directory
 	  -o, --upload <file>          upload file
@@ -76,28 +76,18 @@ python -m py_compile src/scripts/*.py && xcodebuild -target ios-deploy && xcodeb
 	  -D, --mkdir <dir>            make directory on device
 	  -R, --rm <path>              remove file or directory on device (directories must be empty)
 	  -X, --rmtree <path>          remove directory and all contained files recursively on device
-	  -V, --version                print the executable version
-	  -e, --exists                 check if the app with given bundle_id is installed or not
-	  -B, --list_bundle_id         list bundle_id
+	  -V, --version                print the executable version 
+	  -e, --exists                 check if the app with given bundle_id is installed or not 
+	  -B, --list_bundle_id         list bundle_id 
 	  -W, --no-wifi                ignore wifi devices
-	  -C, --get_battery_level      get battery current capacity
+	  -C, --get_battery_level      get battery current capacity 
 	  -O, --output <file>          write stdout to this file
 	  -E, --error_output <file>    write stderr to this file
 	  --detect_deadlocks <sec>     start printing backtraces for all threads periodically after specific amount of seconds
 	  -f, --file_system            specify file system for mkdir / list / upload / download / rm
+	  -k, --key                    keys for the properties of the bundle. Joined by ',' and used only with -B <list_bundle_id> and -j <json>
 	  -F, --non-recursively        specify non-recursively walk directory
-	  -S, --symbols                download OS symbols. must specify a directory to store the downloaded symbols
 	  -j, --json                   format output as JSON
-	  -k, --key                    keys for the properties of the bundle. Joined by ',' and used only with -B <list_bundle_id> and -j <json>
-	  --custom-script <script>     path to custom python script to execute in lldb
-	  --custom-command <command>   specify additional lldb commands to execute
-	  --faster-path-search         use alternative logic to find the device support paths faster
-	  -P, --list_profiles          list all provisioning profiles on device
-	  --profile-uuid <uuid>        the UUID of the provisioning profile to target, use with other profile commands
-	  --profile-download <path>    download a provisioning profile (requires --profile-uuid)
-	  --profile-install <file>     install a provisioning profile
-	  --profile-uninstall          uninstall a provisioning profile (requires --profile-uuid <UUID>)
-	  --check-developer-mode       checks whether the given device has developer mode enabled
 
 ## Examples
 
diff --git a/src/ios-deploy/ios-deploy.m b/src/ios-deploy/ios-deploy.m
index e5ce8ff9..7c281ee7 100644
--- a/src/ios-deploy/ios-deploy.m
+++ b/src/ios-deploy/ios-deploy.m
@@ -91,7 +91,6 @@
 mach_error_t AMDeviceLookupApplications(AMDeviceRef device, CFDictionaryRef options, CFDictionaryRef *result);
 int AMDeviceGetInterfaceType(AMDeviceRef device);
 AMDeviceRef AMDeviceCopyPairedCompanion(AMDeviceRef device);
-bool AMDeviceCopyDeveloperModeStatus(AMDeviceRef device, unsigned int *arg1);
 
 int AMDServiceConnectionSend(ServiceConnRef con, const void * data, size_t size);
 int AMDServiceConnectionReceive(ServiceConnRef con, void * data, size_t size);
@@ -2290,32 +2289,6 @@ void uninstall_app(AMDeviceRef device) {
     }
 }
 
-void check_developer_mode(AMDeviceRef device) {
-  unsigned int error_code = 0;
-  bool is_enabled = AMDeviceCopyDeveloperModeStatus(device, &error_code);
-
-  if (error_code) {
-    const char *mobdev_error = get_error_message(error_code);
-    NSString *error_description = mobdev_error ? [NSString stringWithUTF8String:mobdev_error] : @"unknown.";
-    if (_json_output) {
-      NSLogJSON(@{
-        @"Event": @"DeveloperMode",
-        @"IsEnabled": @(is_enabled),
-        @"Code": @(error_code),
-        @"Status": error_description,
-      });
-    } else {
-      NSLogOut(@"Encountered error checking developer mode status: %@", error_description);
-    }
-  } else {
-    if (_json_output) {
-      NSLogJSON(@{@"Event": @"DeveloperMode", @"IsEnabled": @(is_enabled)});
-    } else {
-      NSLogOut(@"Developer mode is%s enabled.", is_enabled ? "" : " not");
-    }
-  }
-}
-
 void start_symbols_service_with_command(AMDeviceRef device, uint32_t command) {
     connect_and_start_session(device);
     check_error(AMDeviceSecureStartService(device, symbols_service_name,
@@ -2635,9 +2608,7 @@ void handle_device(AMDeviceRef device) {
             uninstall_provisioning_profile(device);
         } else if (strcmp("download_profile", command) == 0) {
             download_provisioning_profile(device);
-        } else if (strcmp("check_developer_mode", command) == 0) {
-          check_developer_mode(device);
-      }
+        }
         exit(0);
     }
 
@@ -2903,8 +2874,7 @@ void usage(const char* app) {
         @"  --profile-uuid <uuid>        the UUID of the provisioning profile to target, use with other profile commands\n"
         @"  --profile-download <path>    download a provisioning profile (requires --profile-uuid)\n"
         @"  --profile-install <file>     install a provisioning profile\n"
-        @"  --profile-uninstall          uninstall a provisioning profile (requires --profile-uuid <UUID>)\n"
-        @"  --check-developer-mode       checks whether the given device has developer mode enabled\n",
+        @"  --profile-uninstall          uninstall a provisioning profile (requires --profile-uuid <UUID>)\n",
         [NSString stringWithUTF8String:app]);
 }
 
@@ -2970,7 +2940,6 @@ int main(int argc, char *argv[]) {
         { "profile-uninstall", no_argument, NULL, 1005},
         { "profile-download", required_argument, NULL, 1006},
         { "profile-uuid", required_argument, NULL, 1007},
-        { "check-developer-mode", no_argument, NULL, 1008},
         { NULL, 0, NULL, 0 },
     };
     int ch;
@@ -3146,10 +3115,6 @@ int main(int argc, char *argv[]) {
         case 1007:
             profile_uuid = optarg;
             break;
-        case 1008:
-          command_only = true;
-          command = "check_developer_mode";
-          break;
         case 'P':
             command_only = true;
             command = "list_profiles";