diff --git a/rails/3.0/Dockerfile b/rails/3.0/Dockerfile
deleted file mode 100644
index c95e97b..0000000
--- a/rails/3.0/Dockerfile
+++ /dev/null
@@ -1,4 +0,0 @@
-FROM ruby:3.0.4-alpine
-
-# Dependencies
-RUN apk add --no-cache gcompat tzdata shared-mime-info libpq
diff --git a/rails/3.0/dev/Dockerfile b/rails/3.0/dev/Dockerfile
deleted file mode 100644
index 72165af..0000000
--- a/rails/3.0/dev/Dockerfile
+++ /dev/null
@@ -1,6 +0,0 @@
-FROM ghcr.io/routine/rails:3.0
-
-RUN apk add --no-cache \
-  build-base python3 less git \
-  postgresql-dev \
-  nodejs-current npm yarn
diff --git a/rails/3.1/Dockerfile b/rails/3.1/Dockerfile
deleted file mode 100644
index 268b4d4..0000000
--- a/rails/3.1/Dockerfile
+++ /dev/null
@@ -1,4 +0,0 @@
-FROM ruby:3.1.4-alpine3.16
-
-# Dependencies
-RUN apk add --no-cache gcompat tzdata shared-mime-info libpq
diff --git a/rails/3.1/dev/Dockerfile b/rails/3.1/dev/Dockerfile
deleted file mode 100644
index d1dd25e..0000000
--- a/rails/3.1/dev/Dockerfile
+++ /dev/null
@@ -1,6 +0,0 @@
-FROM ghcr.io/routine/rails:3.1
-
-RUN apk add --no-cache \
-  build-base python3 less git \
-  postgresql-dev \
-  nodejs-current npm yarn