diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5e9e0a31..147cd66a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -54,6 +54,8 @@
   is always set.
 - @cosmjs/tendermint-rpc: Change type of `GenesisResponse.appState` to
   `Record<string, unknown> | undefined`.
+- @cosmjs/tendermint-rpc: Remove obsolete `TxData.tags` and make `TxData.events`
+  non-optional.
 - @cosmjs/utils: Add `assertDefined`.
 - @cosmjs/faucet: Rename binary from `cosmwasm-faucet` to `cosmos-faucet`.
 
diff --git a/packages/tendermint-rpc/src/client.spec.ts b/packages/tendermint-rpc/src/client.spec.ts
index ff4703f0..41f4a052 100644
--- a/packages/tendermint-rpc/src/client.spec.ts
+++ b/packages/tendermint-rpc/src/client.spec.ts
@@ -485,6 +485,7 @@ function websocketTestSuite(rpcFactory: () => RpcClient, adaptor: Adaptor, appCr
         expect(event.height).toBeGreaterThan(0);
         expect(event.index).toEqual(0);
         expect(event.result).toBeTruthy();
+        expect(event.result.events.length).toBeGreaterThanOrEqual(1);
 
         events.push(event);
 
@@ -507,12 +508,7 @@ function websocketTestSuite(rpcFactory: () => RpcClient, adaptor: Adaptor, appCr
     expect(events.length).toEqual(2);
     // Meta
     expect(events[1].height).toEqual(events[0].height + 1);
-    if (events[1].result.tags && events[0].result.tags) {
-      expect(events[1].result.tags).not.toEqual(events[0].result.tags);
-    }
-    if (events[1].result.events && events[0].result.events) {
-      expect(events[1].result.events).not.toEqual(events[0].result.events);
-    }
+    expect(events[1].result.events).not.toEqual(events[0].result.events);
     // Content
     expect(events[0].tx).toEqual(transactionData1);
     expect(events[1].tx).toEqual(transactionData2);
@@ -536,6 +532,7 @@ function websocketTestSuite(rpcFactory: () => RpcClient, adaptor: Adaptor, appCr
         expect(event.height).toBeGreaterThan(0);
         expect(event.index).toEqual(0);
         expect(event.result).toBeTruthy();
+        expect(event.result.events.length).toBeGreaterThanOrEqual(1);
         events.push(event);
 
         if (events.length === 2) {
@@ -554,12 +551,7 @@ function websocketTestSuite(rpcFactory: () => RpcClient, adaptor: Adaptor, appCr
     expect(events.length).toEqual(2);
     // Meta
     expect(events[1].height).toEqual(events[0].height + 1);
-    if (events[1].result.tags && events[0].result.tags) {
-      expect(events[1].result.tags).not.toEqual(events[0].result.tags);
-    }
-    if (events[1].result.events && events[0].result.events) {
-      expect(events[1].result.events).not.toEqual(events[0].result.events);
-    }
+    expect(events[1].result.events).not.toEqual(events[0].result.events);
     // Content
     expect(events[0].tx).toEqual(transactionData1);
     expect(events[1].tx).toEqual(transactionData2);
diff --git a/packages/tendermint-rpc/src/responses.ts b/packages/tendermint-rpc/src/responses.ts
index 9f3ae892..09b00e9e 100644
--- a/packages/tendermint-rpc/src/responses.ts
+++ b/packages/tendermint-rpc/src/responses.ts
@@ -177,8 +177,7 @@ export interface TxData {
   readonly code: number;
   readonly log?: string;
   readonly data?: Uint8Array;
-  readonly tags?: readonly Tag[];
-  readonly events?: readonly Event[];
+  readonly events: readonly Event[];
   // readonly fees?: any;
 }
 
diff --git a/packages/tendermint-rpc/src/v0-33/responses.ts b/packages/tendermint-rpc/src/v0-33/responses.ts
index 3e785ac1..f15ab54e 100644
--- a/packages/tendermint-rpc/src/v0-33/responses.ts
+++ b/packages/tendermint-rpc/src/v0-33/responses.ts
@@ -126,7 +126,7 @@ interface RpcTxData {
   readonly code?: number;
   readonly log?: string;
   readonly data?: Base64String;
-  readonly events?: readonly RpcEvent[];
+  readonly events: readonly RpcEvent[];
 }
 
 function decodeTxData(data: RpcTxData): responses.TxData {
@@ -134,7 +134,7 @@ function decodeTxData(data: RpcTxData): responses.TxData {
     data: may(Base64.decode, data.data),
     log: data.log,
     code: Integer.parse(assertNumber(optional<number>(data.code, 0))),
-    events: may(decodeEvents, data.events),
+    events: decodeEvents(data.events),
   };
 }
 
diff --git a/packages/tendermint-rpc/types/responses.d.ts b/packages/tendermint-rpc/types/responses.d.ts
index 7707c6e1..1fbf7912 100644
--- a/packages/tendermint-rpc/types/responses.d.ts
+++ b/packages/tendermint-rpc/types/responses.d.ts
@@ -138,8 +138,7 @@ export interface TxData {
   readonly code: number;
   readonly log?: string;
   readonly data?: Uint8Array;
-  readonly tags?: readonly Tag[];
-  readonly events?: readonly Event[];
+  readonly events: readonly Event[];
 }
 export interface TxProof {
   readonly data: Uint8Array;