diff --git a/app/Models/Project.php b/app/Models/Project.php
index 7c1ea84a4e..33ce72898c 100644
--- a/app/Models/Project.php
+++ b/app/Models/Project.php
@@ -42,7 +42,6 @@
  * @property int $uploadquota Maximum sum of uploaded file sizes (in bytes)
  * @property int $uploadquotagb Maximum sum of uploaded file sizes (in GiB)
  * @property bool $showcoveragecode
- * @property bool $sharelabelfilters
  * @property bool $authenticatesubmissions
  * @property ?string $ldapfilter
  * @property ?string $banner
@@ -90,7 +89,6 @@ class Project extends Model
         'uploadquota',
         'uploadquotagb',
         'showcoveragecode',
-        'sharelabelfilters',
         'authenticatesubmissions',
         'ldapfilter',
         'banner',
@@ -109,7 +107,6 @@ class Project extends Model
         'displaylabels' => 'boolean',
         'coveragethreshold' => 'integer',
         'showcoveragecode' => 'boolean',
-        'sharelabelfilters' => 'boolean',
         'authenticatesubmissions' => 'boolean',
     ];
 
diff --git a/app/cdash/app/Controller/Api/Index.php b/app/cdash/app/Controller/Api/Index.php
index 280feb7318..ce7bdf9235 100644
--- a/app/cdash/app/Controller/Api/Index.php
+++ b/app/cdash/app/Controller/Api/Index.php
@@ -1350,7 +1350,7 @@ public function checkForSubProjectFilters(): void
             }
         }
         unset($filters);
-        if ($filter_on_labels && $this->project->ShareLabelFilters) {
+        if ($filter_on_labels) {
             $this->shareLabelFilters = true;
             $this->labelIds = get_label_ids_from_filterdata($this->filterdata);
         }
diff --git a/app/cdash/app/Model/Project.php b/app/cdash/app/Model/Project.php
index a41e32897e..e288400b1a 100644
--- a/app/cdash/app/Model/Project.php
+++ b/app/cdash/app/Model/Project.php
@@ -69,7 +69,6 @@ class Project
     public $EmailMaxItems = 5;
     public $EmailMaxChars = 255;
     public $DisplayLabels = 0;
-    public $ShareLabelFilters = 0;
     public $AuthenticateSubmissions = 0;
     public $ShowCoverageCode = 0;
     public $AutoremoveTimeframe = 0;
@@ -126,7 +125,6 @@ public function Save(): bool
             'emailbrokensubmission' => filter_var($this->EmailBrokenSubmission, FILTER_VALIDATE_BOOLEAN),
             'emailredundantfailures' => filter_var($this->EmailRedundantFailures, FILTER_VALIDATE_BOOLEAN),
             'displaylabels' => filter_var($this->DisplayLabels, FILTER_VALIDATE_BOOLEAN),
-            'sharelabelfilters' => filter_var($this->ShareLabelFilters, FILTER_VALIDATE_BOOLEAN),
             'authenticatesubmissions' => filter_var($this->AuthenticateSubmissions, FILTER_VALIDATE_BOOLEAN),
             'showcoveragecode' => filter_var($this->ShowCoverageCode, FILTER_VALIDATE_BOOLEAN),
             'autoremovetimeframe' => (int) $this->AutoremoveTimeframe,
@@ -206,7 +204,6 @@ public function Fill(): void
             $this->EmailBrokenSubmission = (int) $project->emailbrokensubmission;
             $this->EmailRedundantFailures = (int) $project->emailredundantfailures;
             $this->DisplayLabels = $project->displaylabels;
-            $this->ShareLabelFilters = $project->sharelabelfilters;
             $this->AuthenticateSubmissions = $project->authenticatesubmissions;
             $this->ShowCoverageCode = $project->showcoveragecode;
             $this->AutoremoveTimeframe = $project->autoremovetimeframe;
diff --git a/app/cdash/public/api/v1/index.php b/app/cdash/public/api/v1/index.php
index 02aa3bbbb3..793a3c2683 100644
--- a/app/cdash/public/api/v1/index.php
+++ b/app/cdash/public/api/v1/index.php
@@ -236,7 +236,6 @@
 $response['filterurl'] = get_filterurl();
 
 $controller->checkForSubProjectFilters();
-$response['sharelabelfilters'] = $controller->shareLabelFilters;
 $response['testfilters'] = $controller->subProjectTestFilters;
 
 $build_data = $controller->getDailyBuilds();
diff --git a/app/cdash/tests/test_actualtrilinossubmission.php b/app/cdash/tests/test_actualtrilinossubmission.php
index 00ee5f0eaf..f3028ed96b 100644
--- a/app/cdash/tests/test_actualtrilinossubmission.php
+++ b/app/cdash/tests/test_actualtrilinossubmission.php
@@ -25,7 +25,7 @@ public function createProjectWithName($project)
             'EmailBrokenSubmission' => '1',
             'DisplayLabels' => '1',
             'NightlyTime' => '21:00:00 America/New_York',
-            'ShareLabelFilters' => '1'];
+        ];
         return $this->createProject($settings);
     }
 
diff --git a/app/cdash/tests/test_filtertestlabels.php b/app/cdash/tests/test_filtertestlabels.php
index 280ec10d93..40bf12ae5a 100644
--- a/app/cdash/tests/test_filtertestlabels.php
+++ b/app/cdash/tests/test_filtertestlabels.php
@@ -28,10 +28,6 @@ public function testFilterLabels()
             return 1;
         }
 
-        // Turn this option on.
-        pdo_query("UPDATE project SET sharelabelfilters=TRUE
-                WHERE name='EmailProjectExample'");
-
         // Get the buildid that we just created so we can delete it later.
         $buildids = [];
         $buildid_results = pdo_query(
@@ -91,10 +87,6 @@ public function testFilterLabels()
         // Delete the build
         DatabaseCleanupUtils::removeBuild($buildid);
 
-        // Turn the option back off.
-        pdo_query("UPDATE project SET sharelabelfilters=FALSE
-                WHERE name='EmailProjectExample'");
-
         if (!$success) {
             $this->fail($error_msg);
             return 1;
diff --git a/database/migrations/2026_05_13_223707_drop_project_sharelabelfilters_column.php b/database/migrations/2026_05_13_223707_drop_project_sharelabelfilters_column.php
new file mode 100644
index 0000000000..bcce6a353c
--- /dev/null
+++ b/database/migrations/2026_05_13_223707_drop_project_sharelabelfilters_column.php
@@ -0,0 +1,15 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
+
+return new class extends Migration {
+    public function up(): void
+    {
+        DB::statement('ALTER TABLE project DROP COLUMN sharelabelfilters');
+    }
+
+    public function down(): void
+    {
+    }
+};
diff --git a/graphql/schema.graphql b/graphql/schema.graphql
index c2b09508db..f227340eb4 100644
--- a/graphql/schema.graphql
+++ b/graphql/schema.graphql
@@ -340,9 +340,6 @@ type Project {
   """
   showCoverageCode: Boolean! @rename(attribute: "showcoveragecode")
 
-  "Forward label filters from index.php to queryTests.php and viewTest.php."
-  shareLabelFilters: Boolean! @rename(attribute: "sharelabelfilters")
-
   "Custom text displayed at the top of a project's dashboard."
   banner: String
 
@@ -494,8 +491,6 @@ input UpdateProjectInput @validator {
 
   showCoverageCode: Boolean @rename(attribute: "showcoveragecode")
 
-  shareLabelFilters: Boolean @rename(attribute: "sharelabelfilters")
-
   banner: String
 }
 
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 020ac5069a..4270767813 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -9873,12 +9873,6 @@ parameters:
 			count: 1
 			path: app/cdash/app/Model/Project.php
 
-		-
-			rawMessage: Property CDash\Model\Project::$ShareLabelFilters has no type specified.
-			identifier: missingType.property
-			count: 1
-			path: app/cdash/app/Model/Project.php
-
 		-
 			rawMessage: Property CDash\Model\Project::$ShowCoverageCode has no type specified.
 			identifier: missingType.property
@@ -18912,7 +18906,7 @@ parameters:
 				04/01/2023
 			'''
 			identifier: function.deprecated
-			count: 3
+			count: 1
 			path: app/cdash/tests/test_filtertestlabels.php
 
 		-
diff --git a/resources/js/angular/controllers/index.js b/resources/js/angular/controllers/index.js
index f9185c226c..62283e05e5 100644
--- a/resources/js/angular/controllers/index.js
+++ b/resources/js/angular/controllers/index.js
@@ -220,13 +220,6 @@ export function IndexController($scope, $rootScope, $location, $http, $filter, $
       $scope.pageChanged($scope.cdash.buildgroups[i]);
     }
 
-    // Check for label filters
-    $scope.cdash.extrafilterurl = '';
-    if ($scope.cdash.sharelabelfilters) {
-      $scope.cdash.extrafilterurl = filters.getLabelString($scope.cdash.filterdata);
-      $scope.cdash.querytestfilters = $scope.cdash.extrafilterurl;
-    }
-
     // Read simple/advanced view cookie setting.
     var advanced_cookie = $.cookie('cdash_'+$scope.cdash.projectname+'_advancedview');
     var show_time_columns = 0;
diff --git a/resources/js/angular/controllers/queryTests.js b/resources/js/angular/controllers/queryTests.js
index 2613779a73..cefa0ad219 100644
--- a/resources/js/angular/controllers/queryTests.js
+++ b/resources/js/angular/controllers/queryTests.js
@@ -33,12 +33,6 @@ export function QueryTestsController($scope, $rootScope, $filter, apiLoader, fil
     $scope.finishSetup = function() {
       // Hide test output context by default.
       $scope.cdash.showmatchingoutput = false;
-
-      // Check for label filters
-      $scope.cdash.extrafilterurl = filters.getLabelString($scope.cdash.filterdata);
-      if ($scope.cdash.extrafilterurl) {
-        $scope.cdash.querytestfilters = $scope.cdash.extrafilterurl;
-      }
       $scope.cdash.builds = $filter('orderBy')($scope.cdash.builds, $scope.orderByFields);
       $scope.pageChanged();
     };
diff --git a/resources/js/angular/controllers/viewTest.js b/resources/js/angular/controllers/viewTest.js
index 4e5e1b0512..211c05893b 100644
--- a/resources/js/angular/controllers/viewTest.js
+++ b/resources/js/angular/controllers/viewTest.js
@@ -37,11 +37,6 @@ export function ViewTestController($scope, $rootScope, $http, $filter, $q, apiLo
 
     apiLoader.loadPageData($scope, 'api/v1/viewTest.php');
     $scope.finishSetup = function() {
-      // Check for label filters
-      $scope.cdash.extrafilterurl = filters.getLabelString($scope.cdash.filterdata);
-      if ($scope.cdash.extrafilterurl) {
-        $scope.cdash.querytestfilters = $scope.cdash.extrafilterurl;
-      }
       $scope.cdash.tests = $filter('orderBy')($scope.cdash.tests, $scope.orderByFields);
       $scope.setPage(1);
     };
diff --git a/resources/js/angular/views/partials/build.html b/resources/js/angular/views/partials/build.html
index 13d9a1f57e..66cba572df 100644
--- a/resources/js/angular/views/partials/build.html
+++ b/resources/js/angular/views/partials/build.html
@@ -332,10 +332,10 @@
 <td ng-if="::buildgroup.hastestdata" align="center" ng-class="::{'warning': build.test.notrun > 0, 'normal': build.test.notrun == 0}">
   <div ng-if="::build.hastest"
        ng-class="::{'valuewithsub': build.test.nnotrundiffp > 0 || build.test.nnotrundiffn > 0}">
-    <a class="cdash-link" ng-href="{{ !cdash.testfilters && !cdash.extrafilterurl ? 'builds/' + build.id + '/tests?filters=%7B%22all%22%3A%5B%7B%22eq%22%3A%7B%22status%22%3A%22NOT_RUN%22%7D%7D%5D%7D' : 'viewTest.php?onlynotrun&buildid=' + build.id + cdash.testfilters + cdash.extrafilterurl }}">
+    <a class="cdash-link" ng-href="{{ 'builds/' + build.id + '/tests?filters=%7B%22all%22%3A%5B%7B%22eq%22%3A%7B%22status%22%3A%22NOT_RUN%22%7D%7D%5D%7D' }}">
       {{::build.test.notrun}}
     </a>
-    <a ng-if="::build.test.nnotrundiffp > 0" class="sup cdash-link" ng-href="viewTest.php?onlydelta&buildid={{::build.id}}{{::cdash.testfilters}}{{::cdash.extrafilterurl}}">
+    <a ng-if="::build.test.nnotrundiffp > 0" class="sup cdash-link" ng-href="viewTest.php?onlydelta&buildid={{::build.id}}{{::cdash.testfilters}}">
       +{{::build.test.nnotrundiffp}}
     </a>
     <span ng-if="::build.test.nnotrundiffn > 0" class="sub">-{{::build.test.nnotrundiffn}}</span>
@@ -345,10 +345,10 @@
 <td ng-if="::buildgroup.hastestdata" align="center" ng-class="::{'error': build.test.fail > 0, 'normal': build.test.fail < 1}">
   <div ng-if="::build.hastest"
        ng-class="::{'valuewithsub': build.test.nfaildiffp > 0 || build.test.nfaildiffn > 0}">
-    <a class="cdash-link" ng-href="{{ !cdash.testfilters && !cdash.extrafilterurl ? 'builds/' + build.id + '/tests?filters=%7B%22all%22%3A%5B%7B%22eq%22%3A%7B%22status%22%3A%22FAILED%22%7D%7D%5D%7D' : 'viewTest.php?onlyfailed&buildid=' + build.id + cdash.testfilters + cdash.extrafilterurl }}">
+    <a class="cdash-link" ng-href="{{'builds/' + build.id + '/tests?filters=%7B%22all%22%3A%5B%7B%22eq%22%3A%7B%22status%22%3A%22FAILED%22%7D%7D%5D%7D' }}">
       {{::build.test.fail}}
     </a>
-    <a ng-if="::build.test.nfaildiffp > 0" class="sup cdash-link" ng-href="viewTest.php?onlydelta&buildid={{::build.id}}{{::cdash.testfilters}}{{::cdash.extrafilterurl}}">
+    <a ng-if="::build.test.nfaildiffp > 0" class="sup cdash-link" ng-href="viewTest.php?onlydelta&buildid={{::build.id}}{{::cdash.testfilters}}">
       +{{::build.test.nfaildiffp}}
     </a>
     <span ng-if="::build.test.nfaildiffn > 0" class="sub">
@@ -360,10 +360,10 @@
 <td ng-if="::buildgroup.hastestdata" align="center" ng-class="::{'normal': build.test.pass > -1}">
   <div ng-if="::build.hastest"
        ng-class="::{'valuewithsub': build.test.npassdiffp > 0 || build.test.npassdiffn > 0}">
-    <a class="cdash-link" ng-href="{{ !cdash.testfilters && !cdash.extrafilterurl ? 'builds/' + build.id + '/tests?filters=%7B%22all%22%3A%5B%7B%22eq%22%3A%7B%22status%22%3A%22PASSED%22%7D%7D%5D%7D' : 'viewTest.php?onlypassed&buildid=' + build.id + cdash.testfilters + cdash.extrafilterurl }}">
+    <a class="cdash-link" ng-href="{{ 'builds/' + build.id + '/tests?filters=%7B%22all%22%3A%5B%7B%22eq%22%3A%7B%22status%22%3A%22PASSED%22%7D%7D%5D%7D' }}">
       {{::build.test.pass}}
     </a>
-    <a ng-if="::build.test.npassdiffp > 0" class="sup cdash-link" ng-href="viewTest.php?onlydelta&buildid={{::build.id}}{{::cdash.testfilters}}{{::cdash.extrafilterurl}}">
+    <a ng-if="::build.test.npassdiffp > 0" class="sup cdash-link" ng-href="viewTest.php?onlydelta&buildid={{::build.id}}{{::cdash.testfilters}}">
       +{{::build.test.npassdiffp}}
     </a>
 
@@ -379,10 +379,10 @@
   <div ng-if="::build.hastest"
        ng-class="::{'valuewithsub': build.build.test.ntimediffp > 0 || build.test.ntimediffn > 0}">
     <div ng-if="::build.test.timestatus > 0">
-      <a class="cdash-link" ng-href="{{ !cdash.testfilters && !cdash.extrafilterurl ? 'builds/' + build.id + '/tests?filters=%7B%22all%22%3A%5B%7B%22eq%22%3A%7B%22timeStatusCategory%22%3A%22FAILED%22%7D%7D%5D%7D' : 'viewTest.php?onlytimestatus&buildid=' + build.id + cdash.testfilters + cdash.extrafilterurl }}">
+      <a class="cdash-link" ng-href="{{ 'builds/' + build.id + '/tests?filters=%7B%22all%22%3A%5B%7B%22eq%22%3A%7B%22timeStatusCategory%22%3A%22FAILED%22%7D%7D%5D%7D' }}">
         {{::build.test.timestatus}}
       </a>
-      <a ng-if="::build.test.ntimediffp > 0" class="sup cdash-link" ng-href="viewTest.php?onlydelta&buildid={{::build.id}}{{::cdash.testfilters}}{{::cdash.extrafilterurl}}">
+      <a ng-if="::build.test.ntimediffp > 0" class="sup cdash-link" ng-href="viewTest.php?onlydelta&buildid={{::build.id}}{{::cdash.testfilters}}">
         +{{::build.test.ntimediffp}}
       </a>
       <span ng-if="::build.test.ntimediffn > 0" class="sub">
@@ -392,7 +392,7 @@
 
     <span ng-if="::build.test.timestatus">
       {{::build.test.time}}
-      <a ng-if="::build.test.ntimediffp > 0" class="sup cdash-link" ng-href="viewTest.php?onlydelta&buildid={{::buildid}}{{::cdash.testfilters}}{{::cdash.extrafilterurl}}">
+      <a ng-if="::build.test.ntimediffp > 0" class="sup cdash-link" ng-href="viewTest.php?onlydelta&buildid={{::buildid}}{{::cdash.testfilters}}">
         +{{::build.test.ntimediffp}}
       </a>
       <span ng-if="::build.test.ntimediffn > 0" class="sub">
diff --git a/resources/js/vue/components/ProjectSettings/GeneralTab.vue b/resources/js/vue/components/ProjectSettings/GeneralTab.vue
index a4e5bf9d22..6fdb6c0abd 100644
--- a/resources/js/vue/components/ProjectSettings/GeneralTab.vue
+++ b/resources/js/vue/components/ProjectSettings/GeneralTab.vue
@@ -532,7 +532,6 @@ export default {
         autoRemoveTimeFrame: 0,
         fileUploadLimit: 50,
         showCoverageCode: true,
-        shareLabelFilters: false,
         banner: '',
       },
       validationErrors: {},
@@ -576,7 +575,6 @@ export default {
             autoRemoveTimeFrame
             fileUploadLimit
             showCoverageCode
-            shareLabelFilters
             banner
           }
         }
diff --git a/tests/Feature/GraphQL/Mutations/UpdateProjectTest.php b/tests/Feature/GraphQL/Mutations/UpdateProjectTest.php
index fce534dcfe..ff895d8140 100644
--- a/tests/Feature/GraphQL/Mutations/UpdateProjectTest.php
+++ b/tests/Feature/GraphQL/Mutations/UpdateProjectTest.php
@@ -206,7 +206,6 @@ public static function fieldValues(): array
             ['autoRemoveTimeFrame', 10, 'autoremovetimeframe', 10],
             ['fileUploadLimit', 50, 'uploadquota', 53687091200],
             ['showCoverageCode', false, 'showcoveragecode', false],
-            ['shareLabelFilters', false, 'sharelabelfilters', false],
             ['banner', 'new banner', 'banner', 'new banner'],
         ];
     }
diff --git a/tests/Feature/GraphQL/ProjectTypeTest.php b/tests/Feature/GraphQL/ProjectTypeTest.php
index 4afd8debfc..710636bece 100644
--- a/tests/Feature/GraphQL/ProjectTypeTest.php
+++ b/tests/Feature/GraphQL/ProjectTypeTest.php
@@ -165,8 +165,6 @@ public static function fieldValues(): array
             ['uploadquota', 10737418240, 'fileUploadLimit', 10],
             ['showcoveragecode', true, 'showCoverageCode', true],
             ['showcoveragecode', false, 'showCoverageCode', false],
-            ['sharelabelfilters', true, 'shareLabelFilters', true],
-            ['sharelabelfilters', false, 'shareLabelFilters', false],
             ['banner', 'test', 'banner', 'test'],
             ['banner', null, 'banner', null],
         ];
diff --git a/tests/cypress/e2e/filter-labels.cy.js b/tests/cypress/e2e/filter-labels.cy.js
index 11b8c5c58f..0fa2fc15b8 100644
--- a/tests/cypress/e2e/filter-labels.cy.js
+++ b/tests/cypress/e2e/filter-labels.cy.js
@@ -1,37 +1,4 @@
 describe('filterLabels', () => {
-  it('passes filters to the viewTest page', () => {
-    cy.visit('index.php?project=Trilinos&date=2011-07-22');
-    cy.get('a').contains('Windows_NT-MSVC10-SERIAL_DEBUG_DEV').click();
-    cy.url().should('contain', 'index.php?project=Trilinos&parentid=12');
-
-    // first, verify the expected number of builds
-    cy.get('#numbuilds').should('contain', 'Number of SubProjects: 36');
-    // note: A maximum of 10 builds are displayed at a time
-    cy.get('tbody').find('tr').should('have.length', 10);
-
-    // apply filter parameters
-    cy.get('#settings').click();
-    cy.get('#label_showfilters').click();
-    cy.get('#id_field1').select('Label');
-    cy.get('#id_compare1').select('contains');
-    cy.get('#id_value1').type('ra');
-    cy.get('input[name="apply"]').click();
-
-    // make sure the expected number of builds are displayed
-    cy.get('#numbuilds').should('contain', 'Number of SubProjects: 5');
-    cy.get('tbody').find('tr').should('have.length', 5);
-
-    // next, click on a specific test
-    cy.get('tbody').find('tr').eq(3).find('td').eq(7).as('failing_test');
-    cy.get('@failing_test').should('contain', '10');
-    cy.get('@failing_test').find('a').click();
-    cy.url().should('contain', 'viewTest.php?onlyfailed&buildid=13&filtercount=1&showfilters=1&field1=label&compare1=63&value1=ra');
-
-    // make sure the expected number of tests are displayed
-    cy.get('#viewTestTable').find('tbody').find('tr').should('have.length', 10);
-  });
-
-
   it('inserts new filters in the right order', () => {
     cy.visit('index.php?project=Trilinos&date=2011-07-22&showfilters=1');