diff --git a/packages/redux-devtools-instrument/package.json b/packages/redux-devtools-instrument/package.json
index 5d31f8ae..88c80713 100644
--- a/packages/redux-devtools-instrument/package.json
+++ b/packages/redux-devtools-instrument/package.json
@@ -40,10 +40,6 @@
     "prepack": "pnpm run clean && pnpm run build",
     "prepublish": "pnpm run type-check && pnpm run lint && pnpm run test"
   },
-  "dependencies": {
-    "@babel/runtime": "^7.25.0",
-    "lodash-es": "^4.17.21"
-  },
   "devDependencies": {
     "@babel/cli": "^7.24.8",
     "@babel/core": "^7.25.2",
@@ -52,7 +48,6 @@
     "@babel/preset-env": "^7.25.3",
     "@babel/preset-typescript": "^7.24.7",
     "@types/jest": "^29.5.12",
-    "@types/lodash-es": "^4.17.12",
     "@types/node": "^20.14.14",
     "jest": "^29.7.0",
     "redux": "^5.0.1",
diff --git a/packages/redux-devtools-instrument/src/instrument.ts b/packages/redux-devtools-instrument/src/instrument.ts
index 138ec908..0184a9aa 100644
--- a/packages/redux-devtools-instrument/src/instrument.ts
+++ b/packages/redux-devtools-instrument/src/instrument.ts
@@ -1,6 +1,6 @@
-import { difference, isPlainObject, union } from 'lodash-es';
 import {
   Action,
+  isPlainObject,
   Observer,
   Reducer,
   Store,
@@ -667,9 +667,18 @@ function liftReducerWith<
           const actionIds = [];
           for (let i = start; i < end; i++) actionIds.push(i);
           if (active) {
-            skippedActionIds = difference(skippedActionIds, actionIds);
+            const actionIdsSet = new Set(actionIds);
+            skippedActionIds = skippedActionIds.filter(
+              (actionId) => !actionIdsSet.has(actionId),
+            );
           } else {
-            skippedActionIds = union(skippedActionIds, actionIds);
+            const skippedActionIdsSet = new Set(skippedActionIds);
+            skippedActionIds = [
+              ...skippedActionIds,
+              ...actionIds.filter(
+                (actionId) => !skippedActionIdsSet.has(actionId),
+              ),
+            ];
           }
 
           // Optimization: we know history before this action hasn't changed
@@ -694,7 +703,10 @@ function liftReducerWith<
         }
         case ActionTypes.SWEEP: {
           // Forget any actions that are currently being skipped.
-          stagedActionIds = difference(stagedActionIds, skippedActionIds);
+          const skippedActionIdsSet = new Set(skippedActionIds);
+          stagedActionIds = stagedActionIds.filter(
+            (actionId) => !skippedActionIdsSet.has(actionId),
+          );
           skippedActionIds = [];
           currentStateIndex = Math.min(
             currentStateIndex,
diff --git a/packages/redux-devtools-instrument/test/instrument.spec.ts b/packages/redux-devtools-instrument/test/instrument.spec.ts
index cee399a6..5f1a0cfa 100644
--- a/packages/redux-devtools-instrument/test/instrument.spec.ts
+++ b/packages/redux-devtools-instrument/test/instrument.spec.ts
@@ -15,7 +15,6 @@ import {
   LiftedState,
 } from '../src/instrument';
 import { from, Observable } from 'rxjs';
-import _ from 'lodash';
 
 type CounterAction = { type: 'INCREMENT' } | { type: 'DECREMENT' };
 function counter(state = 0, action: CounterAction) {
@@ -1171,13 +1170,15 @@ describe('instrument', () => {
   function filterStackAndTimestamps<S, A extends Action<string>>(
     state: LiftedState<S, A, null>,
   ) {
-    state.actionsById = _.mapValues(state.actionsById, (action) => {
-      // eslint-disable-next-line @typescript-eslint/ban-ts-comment
-      // @ts-ignore
-      delete action.timestamp;
-      delete action.stack;
-      return action;
-    });
+    state.actionsById = Object.fromEntries(
+      Object.entries(state.actionsById).map(([actionId, action]) => {
+        // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+        // @ts-ignore
+        delete action.timestamp;
+        delete action.stack;
+        return [actionId, action];
+      }),
+    );
     return state;
   }
 
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 002a7bc2..c3a91adc 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1819,13 +1819,6 @@ importers:
         version: 5.0.4(webpack-cli@5.1.4)(webpack@5.93.0)
 
   packages/redux-devtools-instrument:
-    dependencies:
-      '@babel/runtime':
-        specifier: ^7.25.0
-        version: 7.25.0
-      lodash-es:
-        specifier: ^4.17.21
-        version: 4.17.21
     devDependencies:
       '@babel/cli':
         specifier: ^7.24.8
@@ -1848,9 +1841,6 @@ importers:
       '@types/jest':
         specifier: ^29.5.12
         version: 29.5.12
-      '@types/lodash-es':
-        specifier: ^4.17.12
-        version: 4.17.12
       '@types/node':
         specifier: ^20.14.14
         version: 20.14.14