diff --git a/README.md b/README.md
index 261522e..39ccfab 100644
--- a/README.md
+++ b/README.md
@@ -71,7 +71,6 @@ Options are optionally set in `options`, which is a semicolon-delimited list of
     - `e` prints the result of evaluating the code
 - `julia` Julia (Julia 1.1.0)
     - `e` prints the result of evaluating the code
-- `kotlin` Kotlin (Kotlin 1.3)
 - `lisp` Racket (Racket 7.2)
 - `lua` Lua (Lua 5.3)
 - `ocaml` OCaml (OCaml 4.0.6)
diff --git a/docker/kotlin/Dockerfile b/docker/kotlin/Dockerfile
deleted file mode 100644
index b2ea330..0000000
--- a/docker/kotlin/Dockerfile
+++ /dev/null
@@ -1,4 +0,0 @@
-FROM zenika/kotlin:jdk12-alpine
-LABEL author="1Computer1"
-
-COPY run.sh /var/run/
diff --git a/docker/kotlin/run.sh b/docker/kotlin/run.sh
deleted file mode 100644
index 4c10111..0000000
--- a/docker/kotlin/run.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-echo "$1" > program.kt
-kotlinc program.kt -include-runtime -d program.jar
-java -jar program.jar
diff --git a/src/languages/kotlin.js b/src/languages/kotlin.js
deleted file mode 100644
index 6a665f6..0000000
--- a/src/languages/kotlin.js
+++ /dev/null
@@ -1,11 +0,0 @@
-const Language = require('../struct/Language');
-
-class Kotlin extends Language {
-    constructor() {
-        super('kotlin', {
-            aliases: ['kotlin']
-        });
-    }
-}
-
-module.exports = Kotlin;