diff --git a/java/google/registry/flows/domain/DomainAllocateFlow.java b/java/google/registry/flows/domain/DomainAllocateFlow.java
index 5509042bc..c25e6d72f 100644
--- a/java/google/registry/flows/domain/DomainAllocateFlow.java
+++ b/java/google/registry/flows/domain/DomainAllocateFlow.java
@@ -14,7 +14,6 @@
 
 package google.registry.flows.domain;
 
-import static com.google.common.base.Preconditions.checkNotNull;
 import static google.registry.flows.domain.DomainFlowUtils.getReservationType;
 import static google.registry.model.EppResourceUtils.loadDomainApplication;
 import static google.registry.model.ofy.ObjectifyService.ofy;
@@ -137,19 +136,7 @@ public class DomainAllocateFlow extends DomainCreateOrAllocateFlow {
                 DomainPendingActionNotificationResponse.create(
                     application.getFullyQualifiedDomainName(),
                     true,
-                    // If the creation TRID is not present on the application (this can happen for
-                    // older applications written before this field was added), then we must read
-                    // the earliest history entry for the application to retrieve it.
-                    application.getCreationTrid() == null
-                        ? checkNotNull(ofy()
-                            .load()
-                            .type(HistoryEntry.class)
-                            .ancestor(application)
-                            .order("modificationTime")
-                            .first()
-                            .now()
-                            .getTrid())
-                        : application.getCreationTrid(),
+                    application.getCreationTrid(),
                     now)))
             .setResponseExtensions(ImmutableList.of(
                 new LaunchInfoResponseExtension.Builder()
diff --git a/javatests/google/registry/flows/domain/DomainAllocateFlowTest.java b/javatests/google/registry/flows/domain/DomainAllocateFlowTest.java
index 2b4842526..53972f752 100644
--- a/javatests/google/registry/flows/domain/DomainAllocateFlowTest.java
+++ b/javatests/google/registry/flows/domain/DomainAllocateFlowTest.java
@@ -107,6 +107,7 @@ public class DomainAllocateFlowTest
         "collision-label,NAME_COLLISION")).build());
     String domainName = getUniqueIdFromCommand();
     application = persistResource(newDomainApplication(domainName).asBuilder()
+        .setCreationTrid(TRID)
         .setEncodedSignedMarks(ImmutableList.of(EncodedSignedMark.create("base64", "abcdef")))
         .build());
     for (int i = 1; i <= 14; ++i) {
@@ -114,14 +115,6 @@ public class DomainAllocateFlowTest
     }
     persistActiveContact("jd1234");
     persistActiveContact("sh8013");
-    // Add a history entry under this application that corresponds to its creation.
-    persistResource(
-        new HistoryEntry.Builder()
-            .setParent(application)
-            .setType(HistoryEntry.Type.DOMAIN_APPLICATION_CREATE)
-            .setModificationTime(APPLICATION_TIME)
-            .setTrid(TRID)
-            .build());
     clock.setTo(DateTime.parse("2010-09-16T10:00:00.0Z"));
   }
 
@@ -145,7 +138,7 @@ public class DomainAllocateFlowTest
     DomainApplication application = loadDomainApplication(applicationId, clock.nowUtc());
     assertAboutApplications().that(application)
         .hasApplicationStatus(ApplicationStatus.ALLOCATED).and()
-        .hasHistoryEntryAtIndex(1)
+        .hasHistoryEntryAtIndex(0)
             .which().hasType(HistoryEntry.Type.DOMAIN_APPLICATION_STATUS_UPDATE);
 
     String domainName = getUniqueIdFromCommand();