diff --git a/packages/aws-cdk-lib/aws-rds/lib/cluster-engine.ts b/packages/aws-cdk-lib/aws-rds/lib/cluster-engine.ts
index 4bc83d5e29866..69f9a20ea6b64 100644
--- a/packages/aws-cdk-lib/aws-rds/lib/cluster-engine.ts
+++ b/packages/aws-cdk-lib/aws-rds/lib/cluster-engine.ts
@@ -1007,8 +1007,6 @@ export class AuroraPostgresEngineVersion {
   public static readonly VER_16_1 = AuroraPostgresEngineVersion.of('16.1', '16', { s3Import: true, s3Export: true });
   /** Version "16.2". */
   public static readonly VER_16_2 = AuroraPostgresEngineVersion.of('16.2', '16', { s3Import: true, s3Export: true });
-  /** Version "16.3". */
-  public static readonly VER_16_3 = AuroraPostgresEngineVersion.of('16.3', '16', { s3Import: true, s3Export: true });
 
   /**
    * Create a new AuroraPostgresEngineVersion with an arbitrary version.