diff --git a/src/Core/Models/Data/Permissions.cs b/src/Core/Models/Data/Permissions.cs
index 49a7e37f08..4d1ef3402c 100644
--- a/src/Core/Models/Data/Permissions.cs
+++ b/src/Core/Models/Data/Permissions.cs
@@ -7,13 +7,9 @@ public class Permissions
     public bool AccessEventLogs { get; set; }
     public bool AccessImportExport { get; set; }
     public bool AccessReports { get; set; }
-    [Obsolete("This permission exists for client backwards-compatibility. It should not be used to determine permissions in this repository", true)]
-    public bool ManageAllCollections => CreateNewCollections && EditAnyCollection && DeleteAnyCollection;
     public bool CreateNewCollections { get; set; }
     public bool EditAnyCollection { get; set; }
     public bool DeleteAnyCollection { get; set; }
-    [Obsolete("This permission exists for client backwards-compatibility. It should not be used to determine permissions in this repository", true)]
-    public bool ManageAssignedCollections => EditAssignedCollections && DeleteAssignedCollections;
     public bool EditAssignedCollections { get; set; }
     public bool DeleteAssignedCollections { get; set; }
     public bool ManageGroups { get; set; }
diff --git a/test/Core.Test/Models/PermissionsTests.cs b/test/Core.Test/Models/PermissionsTests.cs
index 76b88f6ff9..f663cd17a8 100644
--- a/test/Core.Test/Models/PermissionsTests.cs
+++ b/test/Core.Test/Models/PermissionsTests.cs
@@ -12,11 +12,9 @@ public class PermissionsTests
         "\"accessEventLogs\": false,",
         "\"accessImportExport\": false,",
         "\"accessReports\": false,",
-        "\"manageAllCollections\": true,", // exists for backwards compatibility
         "\"createNewCollections\": true,",
         "\"editAnyCollection\": true,",
         "\"deleteAnyCollection\": true,",
-        "\"manageAssignedCollections\": false,", // exists for backwards compatibility
         "\"editAssignedCollections\": false,",
         "\"deleteAssignedCollections\": false,",
         "\"manageGroups\": false,",