diff --git a/common/src/app/common/files/builder.cljc b/common/src/app/common/files/builder.cljc
index 9bdbef8ec1..56ad3fa903 100644
--- a/common/src/app/common/files/builder.cljc
+++ b/common/src/app/common/files/builder.cljc
@@ -133,20 +133,6 @@
 (def decode-add-component
   (sm/decode-fn schema:add-component sm/json-transformer))
 
-(def schema:add-component-instance
-  [:map
-   [:component-id ::sm/uuid]
-   [:file-id {:optional true} ::sm/uuid]
-   [:frame-id {:optional true} ::sm/uuid]
-   [:page-id {:optional true} ::sm/uuid]])
-
-(def ^:private check-add-component-instance
-  (sm/check-fn schema:add-component-instance
-               :hint "invalid arguments passed for add-component-instance"))
-
-(def decode-add-component-instance
-  (sm/decode-fn schema:add-component-instance sm/json-transformer))
-
 (def schema:add-bool
   [:map
    [:group-id ::sm/uuid]
@@ -452,33 +438,6 @@
         (commit-change change1)
         (commit-change change2))))
 
-
-(defn add-component-instance
-  [state params]
-
-  (let [{:keys [component-id file-id frame-id page-id]}
-        (check-add-component-instance params)
-
-        file-id
-        (or file-id (get state ::current-file-id))
-
-        frame-id
-        (or frame-id (get state ::current-frame-id))
-
-        page-id
-        (or page-id (get state ::current-page-id))
-
-        change
-        {:type :mod-obj
-         :id frame-id
-         :page-id page-id
-         :operations
-         [{:type :set :attr :component-root :val true}
-          {:type :set :attr :component-id :val component-id}
-          {:type :set :attr :component-file :val file-id}]}]
-
-    (commit-change state change)))
-
 (defn delete-shape
   [file id]
   (commit-change
diff --git a/library/CHANGES.md b/library/CHANGES.md
index 0a9be39b6a..80f1b50ca9 100644
--- a/library/CHANGES.md
+++ b/library/CHANGES.md
@@ -3,6 +3,7 @@
 ## 1.0.1
 
 - Make the library generate a .penpot file compatible with penpot 2.7.x
+- Remove useless method `addComponentInstance`
 
 
 ## 1.0.0
diff --git a/library/src/lib/builder.cljs b/library/src/lib/builder.cljs
index df9b909cb3..f77f6f8ae5 100644
--- a/library/src/lib/builder.cljs
+++ b/library/src/lib/builder.cljs
@@ -230,16 +230,6 @@
         (catch :default cause
           (handle-exception cause))))
 
-    :addComponentInstance
-    (fn [params]
-      (try
-        (let [params (-> (decode-params params)
-                         (fb/decode-add-component-instance))]
-          (-> (swap! state fb/add-component-instance params)
-              (get-last-id)))
-        (catch :default cause
-          (handle-exception cause))))
-
     :addFileMedia
     (fn [params blob]