diff --git a/packages/sdk/src/reliable_channel/reliable_channel.spec.ts b/packages/sdk/src/reliable_channel/reliable_channel.spec.ts
index 22ad4062ce..c210f54dda 100644
--- a/packages/sdk/src/reliable_channel/reliable_channel.spec.ts
+++ b/packages/sdk/src/reliable_channel/reliable_channel.spec.ts
@@ -186,7 +186,7 @@ describe("Reliable Channel", () => {
   });
 
   // TODO: https://github.com/waku-org/js-waku/issues/2648
-  it.skip("Outgoing message is possibly acknowledged", async () => {
+  it("Outgoing message is possibly acknowledged", async () => {
     const commonEventEmitter = new TypedEventEmitter<MockWakuEvents>();
     const mockWakuNodeAlice = new MockWakuNode(commonEventEmitter);
     const mockWakuNodeBob = new MockWakuNode(commonEventEmitter);
diff --git a/packages/sdk/src/reliable_channel/reliable_channel_encryption.spec.ts b/packages/sdk/src/reliable_channel/reliable_channel_encryption.spec.ts
index 628c99bfaa..978d357ec6 100644
--- a/packages/sdk/src/reliable_channel/reliable_channel_encryption.spec.ts
+++ b/packages/sdk/src/reliable_channel/reliable_channel_encryption.spec.ts
@@ -187,8 +187,7 @@ describe("Reliable Channel: Encryption", () => {
     expect(messageAcknowledged).to.be.false;
   });
 
-  // TODO: https://github.com/waku-org/js-waku/issues/2648
-  it.skip("Outgoing message is possibly acknowledged", async () => {
+  it("Outgoing message is possibly acknowledged", async () => {
     const commonEventEmitter = new TypedEventEmitter<MockWakuEvents>();
     const mockWakuNodeAlice = new MockWakuNode(commonEventEmitter);
     const mockWakuNodeBob = new MockWakuNode(commonEventEmitter);
diff --git a/packages/sds/src/message_channel/message_channel.spec.ts b/packages/sds/src/message_channel/message_channel.spec.ts
index ea1629250c..4108c5a271 100644
--- a/packages/sds/src/message_channel/message_channel.spec.ts
+++ b/packages/sds/src/message_channel/message_channel.spec.ts
@@ -185,8 +185,7 @@ describe("MessageChannel", function () {
       expect(timestampAfter).to.equal(timestampBefore + 1n);
     });
 
-    // TODO: test is failing in CI, investigate in https://github.com/waku-org/js-waku/issues/2648
-    it.skip("should update lamport timestamp if greater than current timestamp and dependencies are met", async () => {
+    it("should update lamport timestamp if greater than current timestamp and dependencies are met", async () => {
       const testChannelA = new MessageChannel(channelId, "alice");
       const testChannelB = new MessageChannel(channelId, "bob");
 
@@ -207,8 +206,7 @@ describe("MessageChannel", function () {
       );
     });
 
-    // TODO: test is failing in CI, investigate in https://github.com/waku-org/js-waku/issues/2648
-    it.skip("should maintain proper timestamps if all messages received", async () => {
+    it("should maintain proper timestamps if all messages received", async () => {
       const aTimestampBefore = channelA["lamportTimestamp"];
       let timestamp = channelB["lamportTimestamp"];
       for (const m of messagesA) {