diff --git a/frontend/src/views/Seedlot/SeedlotReview/SeedlotReviewContent.tsx b/frontend/src/views/Seedlot/SeedlotReview/SeedlotReviewContent.tsx
index 5fe732524..05ad27019 100644
--- a/frontend/src/views/Seedlot/SeedlotReview/SeedlotReviewContent.tsx
+++ b/frontend/src/views/Seedlot/SeedlotReview/SeedlotReviewContent.tsx
@@ -12,7 +12,6 @@ import {
   Edit, Save, Pending, Checkmark, Warning
 } from '@carbon/icons-react';
 import { Beforeunload } from 'react-beforeunload';
-import { DateTime as luxon } from 'luxon';
 
 import { getSeedlotById, putAClassSeedlotProgress } from '../../../api-service/seedlotAPI';
 import { THREE_HALF_HOURS, THREE_HOURS } from '../../../config/TimeUnits';
@@ -70,7 +69,7 @@ import {
   validateGeneticWorth
 } from './utils';
 import { GenWorthValType } from './definitions';
-import { SaveStatusModalText } from './constants';
+import { IS_DEV_FEATURE_ENABLED, SaveStatusModalText } from './constants';
 import { completeProgressConfig, emptyOwnershipStep, initialProgressConfig } from '../ContextContainerClassA/constants';
 import { AllStepData } from '../ContextContainerClassA/definitions';
 
@@ -512,15 +511,23 @@ const SeedlotReviewContent = () => {
           || isFetchingData
         }
       />
-      <Button
-        kind="secondary"
-        size="md"
-        className="edit-save-btn"
-        renderIcon={isReadMode ? Edit : Save}
-        onClick={handleEditSaveBtn}
-      >
-        {isReadMode ? 'Edit seedlot' : 'Save edit'}
-      </Button>
+
+      {
+        // Seedlots that have 'CUS' or 'UPT' as source should not be edited.
+        seedlotData?.seedlotSource.seedlotSourceCode === 'TPT'
+          ? (
+            <Button
+              kind="secondary"
+              size="md"
+              className="edit-save-btn"
+              renderIcon={isReadMode ? Edit : Save}
+              onClick={handleEditSaveBtn}
+            >
+              {isReadMode ? 'Edit seedlot' : 'Save edit'}
+            </Button>
+          )
+          : null
+      }
 
       <Breadcrumbs
         crumbs={
@@ -747,7 +754,7 @@ const SeedlotReviewContent = () => {
       {
         // this and its related code such as createDraftForPendMutation
         // needs to be deleted in the future
-        (luxon.local().setZone('America/Vancouver').toISODate() ?? '' < '2024-08-17')
+        IS_DEV_FEATURE_ENABLED
           ? (
             <Row className="action-button-row">
               <Column className="action-button-col" sm={4} md={4} lg={8}>
diff --git a/frontend/src/views/Seedlot/SeedlotReview/constants.tsx b/frontend/src/views/Seedlot/SeedlotReview/constants.tsx
index 958cd97ca..b424ecd87 100644
--- a/frontend/src/views/Seedlot/SeedlotReview/constants.tsx
+++ b/frontend/src/views/Seedlot/SeedlotReview/constants.tsx
@@ -128,3 +128,5 @@ export const SaveStatusModalText = {
     </h5>
   )
 };
+
+export const IS_DEV_FEATURE_ENABLED = false;