diff --git a/ethereum/networks/src/main/java/tech/pegasys/teku/networks/Eth2NetworkConfiguration.java b/ethereum/networks/src/main/java/tech/pegasys/teku/networks/Eth2NetworkConfiguration.java
index a1df6344002..2457f35dc9c 100644
--- a/ethereum/networks/src/main/java/tech/pegasys/teku/networks/Eth2NetworkConfiguration.java
+++ b/ethereum/networks/src/main/java/tech/pegasys/teku/networks/Eth2NetworkConfiguration.java
@@ -751,6 +751,9 @@ private Builder reset() {
       eth1DepositContractAddress = null;
       eth1DepositContractDeployBlock = Optional.empty();
       trustedSetup = Optional.empty();
+      terminalBlockHashOverride = Optional.empty();
+      terminalBlockHashEpochOverride = Optional.empty();
+      totalTerminalDifficultyOverride = Optional.empty();
       return this;
     }