diff --git a/test/suites/dev/moonbase/test-pov/test-evm-over-pov.ts b/test/suites/dev/moonbase/test-pov/test-evm-over-pov.ts
index aa520b0c95..85d1538738 100644
--- a/test/suites/dev/moonbase/test-pov/test-evm-over-pov.ts
+++ b/test/suites/dev/moonbase/test-pov/test-evm-over-pov.ts
@@ -14,7 +14,7 @@ describeSuite({
     let contracts: HeavyContract[];
     let callData: `0x${string}`;
     const MAX_CONTRACTS = 20;
-    const EXPECTED_POV_ROUGH = 40_000; // bytes
+    const EXPECTED_POV_ROUGH = 16_000; // bytes
 
     beforeAll(async () => {
       const { contractAddress, abi } = await deployCreateCompiledContract(context, "CallForwarder");
@@ -88,7 +88,7 @@ describeSuite({
           to: proxyAddress,
           data: callData,
           txnType: "eip1559",
-          gasLimit: 1_000_000,
+          gasLimit: 100_000,
         });
 
         const { result, block } = await context.createBlock(rawSigned);
@@ -97,8 +97,8 @@ describeSuite({
         // The block still contain the failed (out of gas) transaction so the PoV is still included
         // in the block.
         // 1M Gas allows ~38k of PoV, so we verify we are within range.
-        expect(block.proofSize).to.be.at.least(30_000);
-        expect(block.proofSize).to.be.at.most(50_000);
+        expect(block.proofSize).to.be.at.least(15_000);
+        expect(block.proofSize).to.be.at.most(25_000);
         expect(result?.successful).to.equal(true);
         expectEVMResult(result!.events, "Error", "OutOfGas");
       },
diff --git a/test/suites/dev/moonbase/test-pov/test-evm-over-pov2.ts b/test/suites/dev/moonbase/test-pov/test-evm-over-pov2.ts
index a6be04ca34..73f47e785e 100644
--- a/test/suites/dev/moonbase/test-pov/test-evm-over-pov2.ts
+++ b/test/suites/dev/moonbase/test-pov/test-evm-over-pov2.ts
@@ -63,8 +63,8 @@ describeSuite({
         const { result, block } = await context.createBlock(rawSigned);
 
         log(`block.proofSize: ${block.proofSize} (successful: ${result?.successful})`);
-        expect(block.proofSize).toBeGreaterThanOrEqual(30_000);
-        expect(block.proofSize).toBeLessThanOrEqual(50_000n + emptyBlockProofSize);
+        expect(block.proofSize).toBeGreaterThanOrEqual(15_000);
+        expect(block.proofSize).toBeLessThanOrEqual(25_000n + emptyBlockProofSize);
         expect(result?.successful).to.equal(true);
       },
     });
@@ -92,7 +92,7 @@ describeSuite({
 
         log(`block.proofSize: ${block.proofSize} (successful: ${result?.successful})`);
         // Empty blocks usually do not exceed 10kb, picking 50kb as a safe limit
-        expect(block.proofSize).to.be.at.most(50_000);
+        expect(block.proofSize).to.be.at.most(25_000);
         expect(result?.successful).to.equal(false);
       },
     });
diff --git a/test/suites/dev/moonbase/test-pov/test-precompile-over-pov.ts b/test/suites/dev/moonbase/test-pov/test-precompile-over-pov.ts
index 50502c7b61..bc646ed29b 100644
--- a/test/suites/dev/moonbase/test-pov/test-precompile-over-pov.ts
+++ b/test/suites/dev/moonbase/test-pov/test-precompile-over-pov.ts
@@ -18,7 +18,7 @@ describeSuite({
   testCases: ({ context, log, it }) => {
     let contracts: HeavyContract[];
     const MAX_CONTRACTS = 50;
-    const EXPECTED_POV_ROUGH = 55_000; // bytes
+    const EXPECTED_POV_ROUGH = 24_000; // bytes
     let batchAbi: Abi;
     let proxyAbi: Abi;
     let proxyAddress: `0x${string}`;
@@ -63,7 +63,7 @@ describeSuite({
         const rawSigned = await createEthersTransaction(context, {
           to: PRECOMPILE_BATCH_ADDRESS,
           data: callData,
-          gasLimit: 1_000_000,
+          gasLimit: 100_000,
           txnType: "eip1559",
         });
 
@@ -72,8 +72,8 @@ describeSuite({
         // With 1M gas we are allowed to use ~62kb of POV, so verify the range.
         // The tx is still included in the block because it contains the failed tx,
         // so POV is included in the block as well.
-        expect(block.proofSize).to.be.at.least(35_000);
-        expect(block.proofSize).to.be.at.most(70_000);
+        expect(block.proofSize).to.be.at.least(15_000);
+        expect(block.proofSize).to.be.at.most(30_000);
         expect(result?.successful).to.equal(true);
         expectEVMResult(result!.events, "Error", "OutOfGas");
       },
diff --git a/test/suites/dev/moonbase/test-pov/test-precompile-over-pov2.ts b/test/suites/dev/moonbase/test-pov/test-precompile-over-pov2.ts
index 536cbd5360..06212a0795 100644
--- a/test/suites/dev/moonbase/test-pov/test-precompile-over-pov2.ts
+++ b/test/suites/dev/moonbase/test-pov/test-precompile-over-pov2.ts
@@ -73,8 +73,8 @@ describeSuite({
         });
 
         const { result, block } = await context.createBlock(rawSigned);
-        expect(block.proofSize).to.be.at.least(Number(30_000));
-        expect(block.proofSize).to.be.at.most(Number(50_000n + emptyBlockProofSize));
+        expect(block.proofSize).to.be.at.least(Number(15_000));
+        expect(block.proofSize).to.be.at.most(Number(30_000n + emptyBlockProofSize));
         expect(result?.successful).to.equal(true);
       },
     });
diff --git a/test/suites/dev/moonbase/test-pov/test-xcm-to-evm-pov.ts b/test/suites/dev/moonbase/test-pov/test-xcm-to-evm-pov.ts
index fc11d6d155..0a8e70c881 100644
--- a/test/suites/dev/moonbase/test-pov/test-xcm-to-evm-pov.ts
+++ b/test/suites/dev/moonbase/test-pov/test-xcm-to-evm-pov.ts
@@ -22,7 +22,7 @@ describeSuite({
     let proxyAddress: `0x${string}`;
     const MAX_CONTRACTS = 15;
     let contracts: HeavyContract[];
-    const EXPECTED_POV_ROUGH = 43_000; // bytes
+    const EXPECTED_POV_ROUGH = 17_000; // bytes
     let balancesPalletIndex: number;
     let STORAGE_READ_COST: bigint;
 
@@ -146,8 +146,8 @@ describeSuite({
         // With 500k gas we are allowed to use ~150k of POV, so verify the range.
         // The tx is still included in the block because it contains the failed tx,
         // so POV is included in the block as well.
-        expect(block.proofSize).to.be.at.least(30_000);
-        expect(block.proofSize).to.be.at.most(45_000);
+        expect(block.proofSize).to.be.at.least(15_000);
+        expect(block.proofSize).to.be.at.most(22_500);
 
         // Check the evm tx was not executed because of OutOfGas error
         const ethEvents = (await context.polkadotJs().query.system.events()).filter(({ event }) =>