diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index da2ca69..0000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-version: 2
-jobs:
-  build:
-    docker:
-      - image: circleci/golang:1.12
-
-    steps:
-      - checkout
-
-      - run: go test -v -covermode=atomic -coverprofile=coverage.txt .
-
-      - run: bash <(curl -s https://codecov.io/bash)
-
diff --git a/README.md b/README.md
index 5e7925f..2938799 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-Immutable ![release](https://img.shields.io/github/release/benbjohnson/immutable.svg?style=flat-square) ![CircleCI](https://img.shields.io/circleci/project/github/benbjohnson/immutable/master.svg?style=flat-square) ![coverage](https://img.shields.io/codecov/c/github/benbjohnson/immutable/master.svg?style=flat-square) ![license](https://img.shields.io/github/license/benbjohnson/immutable.svg?style=flat-square)
+Immutable ![release](https://img.shields.io/github/release/benbjohnson/immutable.svg?style=flat-square) ![coverage](https://img.shields.io/codecov/c/github/benbjohnson/immutable/master.svg?style=flat-square) ![license](https://img.shields.io/github/license/benbjohnson/immutable.svg?style=flat-square)
 =========
 
 This repository contains immutable collection types for Go. It includes