diff --git a/src/main/frontend/db/rtc/op_mem_layer.cljs b/src/main/frontend/db/rtc/op_mem_layer.cljs
index 075b67d468..7bc0cd4b09 100644
--- a/src/main/frontend/db/rtc/op_mem_layer.cljs
+++ b/src/main/frontend/db/rtc/op_mem_layer.cljs
@@ -158,7 +158,7 @@
   [asset-uuid->ops asset-uuid]
   (block-uuid->min-epoch asset-uuid->ops asset-uuid))
 
-(defn add-ops-to-block-uuid->ops
+(defn add-ops-aux
   [ops block-uuid->ops epoch->block-uuid-sorted-map asset-uuid->ops epoch->asset-uuid-sorted-map]
   (loop [block-uuid->ops block-uuid->ops
          epoch->block-uuid-sorted-map epoch->block-uuid-sorted-map
@@ -307,11 +307,11 @@
                  asset-uuid->ops epoch->asset-uuid-sorted-map]} :current-branch}
         (get @*ops-store repo)
         {:keys [block-uuid->ops epoch->block-uuid-sorted-map]}
-        (add-ops-to-block-uuid->ops ops block-uuid->ops epoch->block-uuid-sorted-map
+        (add-ops-aux ops block-uuid->ops epoch->block-uuid-sorted-map
                                     asset-uuid->ops epoch->asset-uuid-sorted-map)
         {old-branch-block-uuid->ops :block-uuid->ops old-epoch->block-uuid-sorted-map :epoch->block-uuid-sorted-map}
         (when old-branch
-          (add-ops-to-block-uuid->ops ops old-branch-block-uuid->ops old-epoch->block-uuid-sorted-map
+          (add-ops-aux ops old-branch-block-uuid->ops old-epoch->block-uuid-sorted-map
                                       old-branch-asset-uuid->ops old-epoch->asset-uuid-sorted-map))]
     (swap! *ops-store update repo
            (fn [{:keys [current-branch old-branch]}]
@@ -325,6 +325,36 @@
                              :block-uuid->ops old-branch-block-uuid->ops
                              :epoch->block-uuid-sorted-map old-epoch->block-uuid-sorted-map)))))))
 
+(defn add-asset-ops!
+  [repo ops]
+  (assert (contains? (@*ops-store repo) :current-branch) (@*ops-store repo))
+  (let [ops (ops-coercer ops)
+        {{old-branch-block-uuid->ops :block-uuid->ops
+          old-epoch->block-uuid-sorted-map :epoch->block-uuid-sorted-map
+          old-branch-asset-uuid->ops :asset-uuid->ops
+          old-epoch->asset-uuid-sorted-map :epoch->asset-uuid-sorted-map
+          :as old-branch} :old-branch
+         {:keys [block-uuid->ops epoch->block-uuid-sorted-map
+                 asset-uuid->ops epoch->asset-uuid-sorted-map]} :current-branch}
+        (get @*ops-store repo)
+        {:keys [asset-uuid->ops epoch->asset-uuid-sorted-map]}
+        (add-ops-aux ops block-uuid->ops epoch->block-uuid-sorted-map
+                                    asset-uuid->ops epoch->asset-uuid-sorted-map)
+        {old-branch-asset-uuid->ops :asset-uuid->ops old-epoch->asset-uuid-sorted-map :epoch->asset-uuid-sorted-map}
+        (when old-branch
+          (add-ops-aux ops old-branch-block-uuid->ops old-epoch->block-uuid-sorted-map
+                                      old-branch-asset-uuid->ops old-epoch->asset-uuid-sorted-map))]
+    (swap! *ops-store update repo
+           (fn [{:keys [current-branch old-branch]}]
+             (cond-> {:current-branch
+                      (assoc current-branch
+                             :asset-uuid->ops asset-uuid->ops
+                             :epoch->asset-uuid-sorted-map epoch->asset-uuid-sorted-map)}
+               old-branch
+               (assoc :old-branch
+                      (assoc old-branch
+                             :asset-uuid->ops old-branch-asset-uuid->ops
+                             :epoch->asset-uuid-sorted-map old-epoch->asset-uuid-sorted-map)))))))
 
 (defn update-local-tx!
   [repo t]
@@ -426,6 +456,17 @@
              :block-uuid->ops (dissoc block-uuid->ops block-uuid)
              :epoch->block-uuid-sorted-map (dissoc epoch->block-uuid-sorted-map min-epoch)))))
 
+(defn remove-asset-ops!
+  [repo asset-uuid]
+  {:pre [(uuid? asset-uuid)]}
+  (let [repo-ops-store (get @*ops-store repo)
+        {:keys [epoch->asset-uuid-sorted-map asset-uuid->ops]} (:current-branch repo-ops-store)]
+    (assert (contains? repo-ops-store :current-branch) repo)
+    (let [min-epoch (asset-uuid->min-epoch asset-uuid->ops asset-uuid)]
+      (swap! *ops-store update-in [repo :current-branch] assoc
+             :asset-uuid->ops (dissoc asset-uuid->ops asset-uuid)
+             :epoch->asset-uuid-sorted-map (dissoc epoch->asset-uuid-sorted-map min-epoch)))))
+
 
 (defn <init-load-from-indexeddb!
   [repo]
@@ -440,7 +481,7 @@
                      ops-from-store-coercer
                      (map second))
             {:keys [block-uuid->ops epoch->block-uuid-sorted-map asset-uuid->ops epoch->asset-uuid-sorted-map]}
-            (add-ops-to-block-uuid->ops ops {} (sorted-map-by <) {} (sorted-map-by <))
+            (add-ops-aux ops {} (sorted-map-by <) {} (sorted-map-by <))
             r (cond-> {:block-uuid->ops block-uuid->ops
                        :epoch->block-uuid-sorted-map epoch->block-uuid-sorted-map
                        :asset-uuid->ops asset-uuid->ops
diff --git a/src/test/frontend/db/rtc/op_mem_layer_test.cljs b/src/test/frontend/db/rtc/op_mem_layer_test.cljs
index 76960ec419..f473a84587 100644
--- a/src/test/frontend/db/rtc/op_mem_layer_test.cljs
+++ b/src/test/frontend/db/rtc/op_mem_layer_test.cljs
@@ -17,7 +17,7 @@
     (let [ops [["move" {:block-uuid "f4abd682-fb9e-4f1a-84bf-5fe11fe7844b" :epoch 1}]
                ["move" {:block-uuid "8e6d8355-ded7-4500-afaa-6f721f3b0dc6" :epoch 2}]]
           {:keys [block-uuid->ops epoch->block-uuid-sorted-map]}
-          (op-layer/add-ops-to-block-uuid->ops (op-layer/ops-coercer ops) {} (sorted-map-by <) {} (sorted-map-by <))]
+          (op-layer/add-ops-aux (op-layer/ops-coercer ops) {} (sorted-map-by <) {} (sorted-map-by <))]
       (is (= [{#uuid"f4abd682-fb9e-4f1a-84bf-5fe11fe7844b"
                {:move ["move" {:block-uuid #uuid"f4abd682-fb9e-4f1a-84bf-5fe11fe7844b", :epoch 1}]},
                #uuid"8e6d8355-ded7-4500-afaa-6f721f3b0dc6"
@@ -34,7 +34,7 @@
                ["update" {:block-uuid "f639f13e-ef6f-4ba5-83b4-67527d27cd02" :epoch 3
                           :updated-attrs {:type {:add #{"type1"}}}}]]
           {:keys [block-uuid->ops epoch->block-uuid-sorted-map]}
-          (op-layer/add-ops-to-block-uuid->ops (op-layer/ops-coercer ops) {} (sorted-map-by <) {} (sorted-map-by <))]
+          (op-layer/add-ops-aux (op-layer/ops-coercer ops) {} (sorted-map-by <) {} (sorted-map-by <))]
       (is (= [{#uuid"f639f13e-ef6f-4ba5-83b4-67527d27cd02"
                {:move
                 ["move" {:block-uuid #uuid"f639f13e-ef6f-4ba5-83b4-67527d27cd02", :epoch 1}],
@@ -52,7 +52,7 @@
                ["update" {:block-uuid "f639f13e-ef6f-4ba5-83b4-67527d27cd02" :epoch 4
                           :updated-attrs {:content nil :link nil}}]]
           {:keys [block-uuid->ops]}
-          (op-layer/add-ops-to-block-uuid->ops (op-layer/ops-coercer ops) {} (sorted-map-by <) {} (sorted-map-by <))]
+          (op-layer/add-ops-aux (op-layer/ops-coercer ops) {} (sorted-map-by <) {} (sorted-map-by <))]
       (is (= ["update"
               {:block-uuid #uuid "f639f13e-ef6f-4ba5-83b4-67527d27cd02"
                :updated-attrs {:content nil :link nil}
@@ -62,15 +62,25 @@
     (let [ops1 [["update-page" {:block-uuid #uuid "65564abe-1e79-4ae8-af60-215826cefea9" :epoch 1}]]
           ops2 [["remove-page" {:block-uuid #uuid "65564abe-1e79-4ae8-af60-215826cefea9" :epoch 2}]]
           {:keys [block-uuid->ops epoch->block-uuid-sorted-map asset-uuid->ops epoch->asset-uuid-sorted-map]}
-          (op-layer/add-ops-to-block-uuid->ops (op-layer/ops-coercer ops1) {} (sorted-map-by <) {} (sorted-map-by <))
+          (op-layer/add-ops-aux (op-layer/ops-coercer ops1) {} (sorted-map-by <) {} (sorted-map-by <))
           {block-uuid->ops2 :block-uuid->ops}
-          (op-layer/add-ops-to-block-uuid->ops (op-layer/ops-coercer ops2)
+          (op-layer/add-ops-aux (op-layer/ops-coercer ops2)
                                                block-uuid->ops epoch->block-uuid-sorted-map
                                                asset-uuid->ops epoch->asset-uuid-sorted-map)]
       (is (= {#uuid "65564abe-1e79-4ae8-af60-215826cefea9"
               {:remove-page ["remove-page" {:block-uuid #uuid "65564abe-1e79-4ae8-af60-215826cefea9", :epoch 2}]}}
              block-uuid->ops2)))))
 
+(deftest add-ops-to-asset-uuid->ops-test
+  (let [[uuid1 uuid2] (repeatedly random-uuid)
+        ops1 [["update-asset" {:asset-uuid uuid1 :epoch 1}]
+              ["update-asset" {:asset-uuid uuid2 :epoch 2}]]
+        {:keys [asset-uuid->ops]}
+        (op-layer/add-ops-aux (op-layer/ops-coercer ops1) {} (sorted-map-by <) {} (sorted-map-by <))]
+    (is (= {uuid1 {:update-asset ["update-asset" {:asset-uuid uuid1 :epoch 1}]}
+            uuid2 {:update-asset ["update-asset" {:asset-uuid uuid2 :epoch 2}]}}
+           asset-uuid->ops))))
+
 
 (deftest process-test
   (let [repo (make-db-graph-repo-name "process-test")