diff --git a/specification/_types/analysis/token_filters.ts b/specification/_types/analysis/token_filters.ts
index 3812fffd84..1d40d26e7b 100644
--- a/specification/_types/analysis/token_filters.ts
+++ b/specification/_types/analysis/token_filters.ts
@@ -392,7 +392,6 @@ export type TokenFilterDefinition =
   | KuromojiStemmerTokenFilter
   | KuromojiReadingFormTokenFilter
   | KuromojiPartOfSpeechTokenFilter
-  | IcuTokenizer
   | IcuCollationTokenFilter
   | IcuFoldingTokenFilter
   | IcuNormalizationTokenFilter