diff --git a/README.Rmd b/README.Rmd
index 68ec3c9..1bfdaa8 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -24,7 +24,6 @@ knitr::opts_chunk$set(
 [![R build status](https://github.com/zoushucai/journalabbr/workflows/R-CMD-check/badge.svg)](https://github.com/zoushucai/journalabbr/actions)
 [![Codecov test coverage](https://codecov.io/gh/zoushucai/journalabbr/branch/master/graph/badge.svg)](https://app.codecov.io/gh/zoushucai/journalabbr?branch=main)
 [![Lifecycle: stable](https://img.shields.io/badge/lifecycle-stable-brightgreen.svg)](https://lifecycle.r-lib.org/articles/stages.html#stable)
-[![License: GPL](https://img.shields.io/badge/license-GPL-blue.svg)](https://cran.r-project.org/web/licenses/GPL)
 <!-- badges: end -->
 
 ## Function
diff --git a/README.md b/README.md
index 0a8f17c..7c06c33 100644
--- a/README.md
+++ b/README.md
@@ -17,8 +17,6 @@ status](https://github.com/zoushucai/journalabbr/workflows/R-CMD-check/badge.svg
 coverage](https://codecov.io/gh/zoushucai/journalabbr/branch/master/graph/badge.svg)](https://app.codecov.io/gh/zoushucai/journalabbr?branch=main)
 [![Lifecycle:
 stable](https://img.shields.io/badge/lifecycle-stable-brightgreen.svg)](https://lifecycle.r-lib.org/articles/stages.html#stable)
-[![License:
-GPL](https://img.shields.io/badge/license-GPL-blue.svg)](https://cran.r-project.org/web/licenses/GPL)
 <!-- badges: end -->
 
 ## Function