diff --git a/modules/reitit-swagger/src/reitit/swagger.cljc b/modules/reitit-swagger/src/reitit/swagger.cljc
index 58a2a188..308bf50e 100644
--- a/modules/reitit-swagger/src/reitit/swagger.cljc
+++ b/modules/reitit-swagger/src/reitit/swagger.cljc
@@ -10,7 +10,6 @@
 (s/def ::id (s/or :keyword keyword? :set (s/coll-of keyword? :into #{})))
 (s/def ::no-doc boolean?)
 (s/def ::tags (s/coll-of (s/or :keyword keyword? :string string?) :kind #{}))
-(s/def ::operationId string?)
 (s/def ::summary string?)
 (s/def ::description string?)
 (s/def ::operationId string?)