diff --git a/.circleci/config.yml b/.circleci/config.yml
index 8ab08ebae5f5101a020d32990ff33a939de19936..aab8dd6cd2413e9e403cbc4532d0ec79fe015d96 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -109,13 +109,6 @@ jobs:
         environment: *ruby_environment
     <<: *install_ruby_dependencies
 
-  install-ruby2.4:
-    <<: *defaults
-    docker:
-      - image: circleci/ruby:2.4-stretch-node
-        environment: *ruby_environment
-    <<: *install_ruby_dependencies
-
   build:
     <<: *defaults
     steps:
@@ -150,17 +143,6 @@ jobs:
       - image: circleci/redis:5-alpine
     <<: *test_steps
 
-  test-ruby2.4:
-    <<: *defaults
-    docker:
-      - image: circleci/ruby:2.4-stretch-node
-        environment: *ruby_environment
-      - image: circleci/postgres:10.6-alpine
-        environment:
-          POSTGRES_USER: root
-      - image: circleci/redis:5-alpine
-    <<: *test_steps
-
   test-webui:
     <<: *defaults
     docker:
@@ -189,10 +171,6 @@ workflows:
           requires:
             - install
             - install-ruby2.6
-      - install-ruby2.4:
-          requires:
-            - install
-            - install-ruby2.6
       - build:
           requires:
             - install-ruby2.6
@@ -204,10 +182,6 @@ workflows:
           requires:
             - install-ruby2.5
             - build
-      - test-ruby2.4:
-          requires:
-            - install-ruby2.4
-            - build
       - test-webui:
           requires:
             - install