diff --git a/packages/aws-cdk/lib/cli/cli-config.ts b/packages/aws-cdk/lib/cli/cli-config.ts
index 51eb6c987..2d212898b 100644
--- a/packages/aws-cdk/lib/cli/cli-config.ts
+++ b/packages/aws-cdk/lib/cli/cli-config.ts
@@ -266,7 +266,6 @@ export async function makeConfig(): Promise<CliConfig> {
           },
           'record-resource-mapping': {
             type: 'string',
-            alias: 'r',
             requiresArg: true,
             desc: 'If specified, CDK will generate a mapping of existing physical resources to CDK resources to be imported as. The mapping ' +
               'will be written in the given file path. No actual import operation will be performed',
diff --git a/packages/aws-cdk/lib/cli/cli-type-registry.json b/packages/aws-cdk/lib/cli/cli-type-registry.json
index d854d5460..d4f32d873 100644
--- a/packages/aws-cdk/lib/cli/cli-type-registry.json
+++ b/packages/aws-cdk/lib/cli/cli-type-registry.json
@@ -633,7 +633,6 @@
         },
         "record-resource-mapping": {
           "type": "string",
-          "alias": "r",
           "requiresArg": true,
           "desc": "If specified, CDK will generate a mapping of existing physical resources to CDK resources to be imported as. The mapping will be written in the given file path. No actual import operation will be performed"
         },
diff --git a/packages/aws-cdk/lib/cli/parse-command-line-arguments.ts b/packages/aws-cdk/lib/cli/parse-command-line-arguments.ts
index bf6ebccca..2a5f9500a 100644
--- a/packages/aws-cdk/lib/cli/parse-command-line-arguments.ts
+++ b/packages/aws-cdk/lib/cli/parse-command-line-arguments.ts
@@ -664,7 +664,6 @@ export function parseCommandLineArguments(args: Array<string>): any {
         .option('record-resource-mapping', {
           default: undefined,
           type: 'string',
-          alias: 'r',
           requiresArg: true,
           desc: 'If specified, CDK will generate a mapping of existing physical resources to CDK resources to be imported as. The mapping will be written in the given file path. No actual import operation will be performed',
         })