diff --git a/typings/index.d.ts b/typings/index.d.ts
index 528dcd0f4..bf94eb0e0 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -163,11 +163,6 @@ export class Option {
    */
   env(name: string): this;
 
-  /**
-   * Calculate the full description, including defaultValue etc.
-   */
-  fullDescription(): string;
-
   /**
    * Set the custom handler for processing CLI option arguments into option values.
    */
diff --git a/typings/index.test-d.ts b/typings/index.test-d.ts
index 1edd5de2d..eecccd93c 100644
--- a/typings/index.test-d.ts
+++ b/typings/index.test-d.ts
@@ -617,9 +617,6 @@ expectType<commander.Option>(baseOption.preset('abc'));
 // env
 expectType<commander.Option>(baseOption.env('PORT'));
 
-// fullDescription
-expectType<string>(baseOption.fullDescription());
-
 // argParser
 expectType<commander.Option>(
   baseOption.argParser((value: string) => parseInt(value)),