diff --git a/core/src/main/kotlin/net/corda/core/transactions/BaseTransactions.kt b/core/src/main/kotlin/net/corda/core/transactions/BaseTransactions.kt
index 11bde34c81..b9c02b618c 100644
--- a/core/src/main/kotlin/net/corda/core/transactions/BaseTransactions.kt
+++ b/core/src/main/kotlin/net/corda/core/transactions/BaseTransactions.kt
@@ -4,7 +4,6 @@ import net.corda.core.contracts.ContractState
 import net.corda.core.contracts.StateAndRef
 import net.corda.core.contracts.StateRef
 import net.corda.core.crypto.SecureHash
-import net.corda.core.internal.checkNotaryWhitelisted
 import net.corda.core.node.NetworkParameters
 import net.corda.core.serialization.CordaSerializable