diff --git a/yarn-project/aztec.js/src/contract/batch_call.ts b/yarn-project/aztec.js/src/contract/batch_call.ts
index 3a02a7139015..19fb03999f69 100644
--- a/yarn-project/aztec.js/src/contract/batch_call.ts
+++ b/yarn-project/aztec.js/src/contract/batch_call.ts
@@ -78,7 +78,7 @@ export class BatchCall extends BaseContractInteraction {
 
     const [unconstrainedResults, simulatedTx] = await Promise.all([
       Promise.all(unconstrainedCalls),
-      this.wallet.simulateTx(txRequest, true, options?.from),
+      this.wallet.simulateTx(txRequest, true, options?.from, options?.skipTxValidation),
     ]);
 
     const results: any[] = [];
diff --git a/yarn-project/end-to-end/src/e2e_prover/full.test.ts b/yarn-project/end-to-end/src/e2e_prover/full.test.ts
index f5881b11a1d9..e018100fb9ed 100644
--- a/yarn-project/end-to-end/src/e2e_prover/full.test.ts
+++ b/yarn-project/end-to-end/src/e2e_prover/full.test.ts
@@ -27,7 +27,8 @@ describe('full_prover', () => {
   });
 
   afterEach(async () => {
-    await t.tokenSim.check();
+    // TODO: (#8187) Tx validation is skipped here because checking the simulation fails the proof validation
+    await t.tokenSim.check(true);
   });
 
   it(
@@ -41,7 +42,10 @@ describe('full_prover', () => {
       expect(privateSendAmount).toBeGreaterThan(0n);
       const privateInteraction = provenAssets[0].methods.transfer(accounts[1].address, privateSendAmount);
 
-      const publicBalance = await provenAssets[1].methods.balance_of_public(accounts[0].address).simulate();
+      // TODO: (#8187) This works with above private balance, but not public balance below.
+      const publicBalance = await provenAssets[1].methods.balance_of_public(accounts[0].address).simulate({
+        skipTxValidation: true,
+      });
       const publicSendAmount = publicBalance / 2n;
       expect(publicSendAmount).toBeGreaterThan(0n);
       const publicInteraction = provenAssets[1].methods.transfer_public(
diff --git a/yarn-project/end-to-end/src/e2e_prover/with_padding.test.ts b/yarn-project/end-to-end/src/e2e_prover/with_padding.test.ts
index 30e507012ab1..702c360876bd 100644
--- a/yarn-project/end-to-end/src/e2e_prover/with_padding.test.ts
+++ b/yarn-project/end-to-end/src/e2e_prover/with_padding.test.ts
@@ -19,7 +19,8 @@ describe('full_prover_with_padding_tx', () => {
   });
 
   afterEach(async () => {
-    await t.tokenSim.check();
+    // TODO: (#8187) Tx validation is skipped here because checking the simulation fails the proof validation
+    await t.tokenSim.check(true);
   });
 
   it(
diff --git a/yarn-project/end-to-end/src/simulators/token_simulator.ts b/yarn-project/end-to-end/src/simulators/token_simulator.ts
index c4addad4b217..887ae00f64e3 100644
--- a/yarn-project/end-to-end/src/simulators/token_simulator.ts
+++ b/yarn-project/end-to-end/src/simulators/token_simulator.ts
@@ -97,7 +97,7 @@ export class TokenSimulator {
     return this.balancesPrivate.get(address.toString()) || 0n;
   }
 
-  async checkPublic() {
+  async checkPublic(skipTxValidation: boolean = false) {
     // public calls
     const calls = [this.token.methods.total_supply().request()];
     for (const address of this.accounts) {
@@ -105,7 +105,13 @@ export class TokenSimulator {
     }
 
     const results = (
-      await Promise.all(chunk(calls, 4).map(batch => new BatchCall(this.defaultWallet, batch).simulate()))
+      await Promise.all(
+        chunk(calls, 4).map(batch =>
+          new BatchCall(this.defaultWallet, batch).simulate({
+            skipTxValidation,
+          }),
+        ),
+      )
     ).flat();
     expect(results[0]).toEqual(this.totalSupply);
 
@@ -115,7 +121,7 @@ export class TokenSimulator {
     }
   }
 
-  async checkPrivate() {
+  async checkPrivate(skipTxValidation: boolean = false) {
     // Private calls
     const defaultLookups = [];
     const nonDefaultLookups = [];
@@ -133,7 +139,13 @@ export class TokenSimulator {
       defaultCalls.push(this.token.methods.balance_of_private(address).request());
     }
     const results = (
-      await Promise.all(chunk(defaultCalls, 4).map(batch => new BatchCall(this.defaultWallet, batch).simulate()))
+      await Promise.all(
+        chunk(defaultCalls, 4).map(batch =>
+          new BatchCall(this.defaultWallet, batch).simulate({
+            skipTxValidation,
+          }),
+        ),
+      )
     ).flat();
     for (let i = 0; i < defaultLookups.length; i++) {
       expect(results[i]).toEqual(this.balanceOfPrivate(defaultLookups[i]));
@@ -145,13 +157,15 @@ export class TokenSimulator {
       const wallet = this.lookupProvider.get(address.toString());
       const asset = wallet ? this.token.withWallet(wallet) : this.token;
 
-      const actualPrivateBalance = await asset.methods.balance_of_private({ address }).simulate();
+      const actualPrivateBalance = await asset.methods.balance_of_private({ address }).simulate({
+        skipTxValidation,
+      });
       expect(actualPrivateBalance).toEqual(this.balanceOfPrivate(address));
     }
   }
 
-  public async check() {
-    await this.checkPublic();
-    await this.checkPrivate();
+  public async check(skipTxValidation: boolean = false) {
+    await this.checkPublic(skipTxValidation);
+    await this.checkPrivate(skipTxValidation);
   }
 }
diff --git a/yarn-project/pxe/src/pxe_service/pxe_service.ts b/yarn-project/pxe/src/pxe_service/pxe_service.ts
index 972ef5ce916a..50f096c31927 100644
--- a/yarn-project/pxe/src/pxe_service/pxe_service.ts
+++ b/yarn-project/pxe/src/pxe_service/pxe_service.ts
@@ -532,7 +532,7 @@ export class PXEService implements PXE {
     txRequest: TxExecutionRequest,
     simulatePublic: boolean,
     msgSender: AztecAddress | undefined = undefined,
-    skipTxValidation: boolean = true, // TODO(#7956): make the default be false
+    skipTxValidation: boolean = false,
     scopes?: AztecAddress[],
   ): Promise<SimulatedTx> {
     return await this.jobQueue.put(async () => {