diff --git a/packages/codemirror/src/syntax_highlighting.ts b/packages/codemirror/src/syntax_highlighting.ts
index c65f51b5d..9fffa31b3 100644
--- a/packages/codemirror/src/syntax_highlighting.ts
+++ b/packages/codemirror/src/syntax_highlighting.ts
@@ -84,7 +84,6 @@ const byMimeType: Record<string, (() => Promise<StreamParser<unknown> | Language
     "text/x-ebnf": async () => (await import('@codemirror/legacy-modes/mode/ebnf')).ebnf,
     "text/x-ecl": async () => (await import('@codemirror/legacy-modes/mode/ecl')).ecl,
     "text/x-eiffel": async () => (await import('@codemirror/legacy-modes/mode/eiffel')).eiffel,
-    "text/x-elixir": async () => (await import('@codemirror/legacy-modes/mode/elixir')).elixir,
     "text/x-elm": async () => (await import('@codemirror/legacy-modes/mode/elm')).elm,
     "text/x-erlang": async () => (await import('@codemirror/legacy-modes/mode/erlang')).erlang,
     "text/x-esper": async () => (await import('@codemirror/legacy-modes/mode/sql')).esper,