diff --git a/main/src/taoensso/telemere/utils.cljc b/main/src/taoensso/telemere/utils.cljc
index a1f0067..040ac45 100644
--- a/main/src/taoensso/telemere/utils.cljc
+++ b/main/src/taoensso/telemere/utils.cljc
@@ -663,7 +663,7 @@
     `:incl-nils?` - Include signal's keys with nil values? (default false)
     `:incl-kvs?`  - Include signal's app-level root kvs?   (default false)
     `:incl-keys`  - Subset of signal keys to retain from those otherwise
-                    excluded by default: #{:kvs :host :thread}"
+                    excluded by default: #{:schema :kvs :host :thread}"
   ([] (clean-signal-fn nil))
   ([{:keys [incl-kvs? incl-nils? incl-keys] :as opts}]
    (let [assoc!*
@@ -671,6 +671,7 @@
            (fn [m k v] (if (nil? v) m (assoc! m k v))) ; As `remove-signal-nils`
            (do                         assoc!))
 
+         incl-schema?  (contains? incl-keys :schema)
          incl-kvs-key? (contains? incl-keys :kvs)
          incl-host?    (contains? incl-keys :host)
          incl-thread?  (contains? incl-keys :thread)]
@@ -685,7 +686,7 @@
                  (clojure.core/into ()
                    (clojure.core/disj
                      taoensso.telemere.impl/standard-signal-keys
-                     :msg_ :error :kvs :host :thread))
+                     :msg_ :error :schema :kvs :host :thread))
                  (assoc!* m k v)
 
                  ;; Main keys to include with modified val
@@ -697,6 +698,7 @@
                    taoensso.telemere.impl/impl-signal-keys) m ; noop
 
                  ;;; Other keys to exclude by default
+                 :schema (if incl-schema?  (assoc!* m k v) m)
                  :kvs    (if incl-kvs-key? (assoc!* m k v) m)
                  :thread (if incl-thread?  (assoc!* m k v) m)
                  :host   (if incl-host?    (assoc!* m k v) m)
diff --git a/main/test/taoensso/telemere_tests.cljc b/main/test/taoensso/telemere_tests.cljc
index 3f5352a..948c6b9 100644
--- a/main/test/taoensso/telemere_tests.cljc
+++ b/main/test/taoensso/telemere_tests.cljc
@@ -855,7 +855,7 @@
                [(is (= sig*1 sig*2) "Default :pr-fn is :edn")
                 (is
                   (sm? sig*1
-                    {:schema 1, :kind :event, :id ::ev-id, :level :info,
+                    {:kind :event, :id ::ev-id, :level :info,
                      :ns      "taoensso.telemere-tests"
                      :msg_    "a b"
                      :inst    udt1
@@ -866,8 +866,8 @@
                 (let [sig* (enc/read-json ((tel/pr-signal-fn {:pr-fn :json}) sig))]
                   (is
                     (sm? sig*
-                      {"schema" 1, "kind" "event", "id" "taoensso.telemere-tests/ev-id",
-                       "level" "info",             "ns" "taoensso.telemere-tests"
+                      {"kind" "event", "id" "taoensso.telemere-tests/ev-id",
+                       "level" "info", "ns" "taoensso.telemere-tests"
                        "msg_"    "a b"
                        "inst"    t1s
                        "coords"  vector?})))))