diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/transaction/eea/PrivateTransactionBuilder.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/transaction/eea/PrivateTransactionBuilder.java
index 816deaf242..33e4f8c961 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/transaction/eea/PrivateTransactionBuilder.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/transaction/eea/PrivateTransactionBuilder.java
@@ -120,7 +120,7 @@ public String build(final TransactionType type) {
               PrivateTransaction.builder()
                       .nonce(nonce)
                       .gasPrice(Wei.of(1000))
-                      .gasLimit(63992)
+                      .gasLimit(23992)
                       .to(to)
                       .value(Wei.ZERO)
                       .payload(payload)
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/privacy/PrivacyPrecompiledContract.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/privacy/PrivacyPrecompiledContract.java
index a713beacdf..c8ec22d966 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/privacy/PrivacyPrecompiledContract.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/privacy/PrivacyPrecompiledContract.java
@@ -88,7 +88,7 @@ public void setPrivateTransactionProcessor(
 
   @Override
   public Gas gasRequirement(final BytesValue input) {
-    return Gas.of(40_000L); // Not sure
+    return Gas.of(0);
   }
 
   @Override