diff --git a/ledger/participant-integration-api/src/test/suite/scala/platform/apiserver/services/transaction/ApiTransactionServiceSpec.scala b/ledger/participant-integration-api/src/test/suite/scala/platform/apiserver/services/transaction/ApiTransactionServiceSpec.scala
deleted file mode 100644
index 8a0718abcdbd..000000000000
--- a/ledger/participant-integration-api/src/test/suite/scala/platform/apiserver/services/transaction/ApiTransactionServiceSpec.scala
+++ /dev/null
@@ -1,76 +0,0 @@
-// Copyright (c) 2021 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved.
-// SPDX-License-Identifier: Apache-2.0
-
-package com.daml.platform.apiserver.services.transaction
-
-import com.codahale.metrics.MetricRegistry
-import com.daml.ledger.api.DomainMocks
-import com.daml.ledger.participant.state.index.v2.IndexTransactionsService
-import com.daml.logging.LoggingContext
-import com.daml.metrics.Metrics
-import com.daml.platform.apiserver.ErrorCodesVersionSwitcher
-import io.grpc.StatusRuntimeException
-import org.mockito.MockitoSugar
-import org.scalatest.Assertion
-import org.scalatest.flatspec.AsyncFlatSpec
-import org.scalatest.matchers.should.Matchers
-
-import scala.concurrent.Future
-
-class ApiTransactionServiceSpec extends AsyncFlatSpec with Matchers with MockitoSugar {
-
-  it should "return correct exception when transaction is not found (V1)" in {
-    testLookUpFlatByTransactionId(
-      enableSelfServiceErrorCodes = false,
-      expectedErrorMessage = "NOT_FOUND: Transaction not found, or not visible.",
-    )
-  }
-
-  it should "return correct exception when transaction is not found (V2)" in {
-    testLookUpFlatByTransactionId(
-      enableSelfServiceErrorCodes = true,
-      expectedErrorMessage =
-        "NOT_FOUND: TRANSACTION_NOT_FOUND(11,0): Transaction not found, or not visible.",
-    )
-  }
-
-  private def testLookUpFlatByTransactionId(
-      enableSelfServiceErrorCodes: Boolean,
-      expectedErrorMessage: String,
-  ): Future[Assertion] = {
-    // given
-    val transactionsServiceMock = mock[IndexTransactionsService]
-    val setOfParties = Set(DomainMocks.party)
-    when(
-      transactionsServiceMock.getTransactionById(
-        DomainMocks.transactionId,
-        setOfParties,
-      )(LoggingContext.ForTesting)
-    ).thenReturn(
-      Future.successful(None)
-    )
-
-    val tested = new ApiTransactionService(
-      transactionsService = transactionsServiceMock,
-      metrics = new Metrics(new MetricRegistry),
-      errorsVersionsSwitcher =
-        new ErrorCodesVersionSwitcher(enableSelfServiceErrorCodes = enableSelfServiceErrorCodes),
-    )(
-      executionContext = executionContext,
-      loggingContext = LoggingContext.ForTesting,
-    )
-
-    // when
-    val actual = recoverToExceptionIf[StatusRuntimeException] {
-      tested.lookUpFlatByTransactionId(
-        transactionId = DomainMocks.transactionId,
-        requestingParties = setOfParties,
-      )
-    }
-
-    // then
-    actual.map { ex =>
-      assert(ex.getMessage == expectedErrorMessage)
-    }
-  }
-}