diff --git a/app/graphql/mutations/user_preferences/update.rb b/app/graphql/mutations/user_preferences/update.rb
index d051ab82171f6ac29ebea1e4a7dcd2f6c384067e..70037c8093a06e5a5c86706e89bd06fe41972322 100644
--- a/app/graphql/mutations/user_preferences/update.rb
+++ b/app/graphql/mutations/user_preferences/update.rb
@@ -8,7 +8,6 @@ class Update < BaseMutation
       NON_NULLABLE_ARGS = [
         :extensions_marketplace_opt_in_status,
         :organization_groups_projects_display,
-        :use_web_ide_extension_marketplace,
         :visibility_pipeline_id_type,
         :use_work_items_view
       ].freeze
@@ -19,9 +18,6 @@ class Update < BaseMutation
       argument :issues_sort, Types::IssueSortEnum,
         required: false,
         description: 'Sort order for issue lists.'
-      argument :use_web_ide_extension_marketplace, GraphQL::Types::Boolean,
-        required: false,
-        description: 'Whether Web IDE Extension Marketplace is enabled for the user.'
       argument :use_work_items_view, GraphQL::Types::Boolean,
         required: false,
         description: 'Use work item view instead of legacy issue view.'
diff --git a/app/graphql/types/user_preferences_type.rb b/app/graphql/types/user_preferences_type.rb
index 586e9e302cbd0948648372b9bb3c4e6da6764e06..9a2efdbece4bed07f08a1e765486735eae02d9df 100644
--- a/app/graphql/types/user_preferences_type.rb
+++ b/app/graphql/types/user_preferences_type.rb
@@ -21,11 +21,6 @@ class UserPreferencesType < BaseObject
       null: true
 
     # rubocop:disable GraphQL/ExtractType -- These are stored as user preferences
-    field :use_web_ide_extension_marketplace, GraphQL::Types::Boolean,
-      description: 'Whether Web IDE Extension Marketplace is enabled for the user.',
-      null: false,
-      deprecated: { reason: 'Use `extensions_marketplace_opt_in_status` instead', milestone: '16.11' }
-
     field :use_work_items_view, GraphQL::Types::Boolean,
       description: 'Use work item view instead of legacy issue view.',
       null: true
diff --git a/app/models/user.rb b/app/models/user.rb
index 0ab60b0e00fe2062e3c7fe774cd02b8de4ec712c..08a555f901013a28df2647360aa7a545c9b88e96 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -415,7 +415,6 @@ def update_tracked_fields!(request)
     :tab_width, :tab_width=,
     :sourcegraph_enabled, :sourcegraph_enabled=,
     :gitpod_enabled, :gitpod_enabled=,
-    :use_web_ide_extension_marketplace, :use_web_ide_extension_marketplace=,
     :extensions_marketplace_opt_in_status, :extensions_marketplace_opt_in_status=,
     :organization_groups_projects_sort, :organization_groups_projects_sort=,
     :organization_groups_projects_display, :organization_groups_projects_display=,
diff --git a/app/models/user_preference.rb b/app/models/user_preference.rb
index 39452e0193369cd874ed3d966c8dff5c6233d31b..3de3d6f3ecf6c0891f90fde74ce6361803cd49b1 100644
--- a/app/models/user_preference.rb
+++ b/app/models/user_preference.rb
@@ -1,10 +1,6 @@
 # frozen_string_literal: true
 
 class UserPreference < ApplicationRecord
-  include IgnorableColumns
-
-  ignore_column :use_web_ide_extension_marketplace, remove_with: '17.4', remove_after: '2024-08-15'
-
   # We could use enums, but Rails 4 doesn't support multiple
   # enum options with same name for multiple fields, also it creates
   # extra methods that aren't really needed here.
@@ -43,7 +39,6 @@ class UserPreference < ApplicationRecord
   attribute :render_whitespace_in_code, default: false
   attribute :project_shortcut_buttons, default: true
   attribute :keyboard_shortcuts_enabled, default: true
-  attribute :use_web_ide_extension_marketplace, default: false
   attribute :dpop_enabled, default: false
 
   enum :visibility_pipeline_id_type, { id: 0, iid: 1 }, scopes: false
diff --git a/doc/api/graphql/reference/index.md b/doc/api/graphql/reference/index.md
index 248d8e8e5f7bc3c92e0ce894208e8a3a8d5db444..6739f98b22ab843b844f978a3d9e24800bcb591a 100644
--- a/doc/api/graphql/reference/index.md
+++ b/doc/api/graphql/reference/index.md
@@ -10179,7 +10179,6 @@ Input type: `UserPreferencesUpdateInput`
 | <a id="mutationuserpreferencesupdateissuessort"></a>`issuesSort` | [`IssueSort`](#issuesort) | Sort order for issue lists. |
 | <a id="mutationuserpreferencesupdateorganizationgroupsprojectsdisplay"></a>`organizationGroupsProjectsDisplay` **{warning-solid}** | [`OrganizationGroupProjectDisplay`](#organizationgroupprojectdisplay) | **Deprecated:** **Status**: Experiment. Introduced in GitLab 17.2. |
 | <a id="mutationuserpreferencesupdateorganizationgroupsprojectssort"></a>`organizationGroupsProjectsSort` **{warning-solid}** | [`OrganizationGroupProjectSort`](#organizationgroupprojectsort) | **Deprecated:** **Status**: Experiment. Introduced in GitLab 17.2. |
-| <a id="mutationuserpreferencesupdateusewebideextensionmarketplace"></a>`useWebIdeExtensionMarketplace` | [`Boolean`](#boolean) | Whether Web IDE Extension Marketplace is enabled for the user. |
 | <a id="mutationuserpreferencesupdateuseworkitemsview"></a>`useWorkItemsView` | [`Boolean`](#boolean) | Use work item view instead of legacy issue view. |
 | <a id="mutationuserpreferencesupdatevisibilitypipelineidtype"></a>`visibilityPipelineIdType` | [`VisibilityPipelineIdType`](#visibilitypipelineidtype) | Determines whether the pipeline list shows ID or IID. |
 
@@ -34102,7 +34101,6 @@ fields relate to interactions between the two entities.
 | <a id="userpreferencesissuessort"></a>`issuesSort` | [`IssueSort`](#issuesort) | Sort order for issue lists. |
 | <a id="userpreferencesorganizationgroupsprojectsdisplay"></a>`organizationGroupsProjectsDisplay` **{warning-solid}** | [`OrganizationGroupProjectDisplay!`](#organizationgroupprojectdisplay) | **Introduced** in GitLab 17.2. **Status**: Experiment. Default list view for organization groups and projects. |
 | <a id="userpreferencesorganizationgroupsprojectssort"></a>`organizationGroupsProjectsSort` **{warning-solid}** | [`OrganizationGroupProjectSort`](#organizationgroupprojectsort) | **Introduced** in GitLab 17.2. **Status**: Experiment. Sort order for organization groups and projects. |
-| <a id="userpreferencesusewebideextensionmarketplace"></a>`useWebIdeExtensionMarketplace` **{warning-solid}** | [`Boolean!`](#boolean) | **Deprecated** in GitLab 16.11. Use `extensions_marketplace_opt_in_status` instead. |
 | <a id="userpreferencesuseworkitemsview"></a>`useWorkItemsView` | [`Boolean`](#boolean) | Use work item view instead of legacy issue view. |
 | <a id="userpreferencesvisibilitypipelineidtype"></a>`visibilityPipelineIdType` | [`VisibilityPipelineIdType`](#visibilitypipelineidtype) | Determines whether the pipeline list shows ID or IID. |
 
diff --git a/spec/graphql/types/user_preferences_type_spec.rb b/spec/graphql/types/user_preferences_type_spec.rb
index 919a8e08e340f6fe1203c39a65619c9ac1546bd8..9c30b8b02d4fd44cab5a19b8782f4b4490435508 100644
--- a/spec/graphql/types/user_preferences_type_spec.rb
+++ b/spec/graphql/types/user_preferences_type_spec.rb
@@ -10,7 +10,6 @@
       issues_sort
       use_work_items_view
       visibility_pipeline_id_type
-      use_web_ide_extension_marketplace
       extensions_marketplace_opt_in_status
       organization_groups_projects_sort
       organization_groups_projects_display
diff --git a/spec/requests/api/graphql/mutations/user_preferences/update_spec.rb b/spec/requests/api/graphql/mutations/user_preferences/update_spec.rb
index d74b788ec78b6ddc7fd97f697b7b17f586979b1a..3d570ccbbe9569474524df00f942a65850bf4089 100644
--- a/spec/requests/api/graphql/mutations/user_preferences/update_spec.rb
+++ b/spec/requests/api/graphql/mutations/user_preferences/update_spec.rb
@@ -16,7 +16,6 @@
       'organizationGroupsProjectsDisplay' => 'GROUPS',
       'organizationGroupsProjectsSort' => 'NAME_DESC',
       'visibilityPipelineIdType' => 'IID',
-      'useWebIdeExtensionMarketplace' => true,
       'useWorkItemsView' => true
     }
   end
@@ -34,14 +33,12 @@
       expect(mutation_response['userPreferences']['organizationGroupsProjectsDisplay']).to eq('GROUPS')
       expect(mutation_response['userPreferences']['organizationGroupsProjectsSort']).to eq('NAME_DESC')
       expect(mutation_response['userPreferences']['visibilityPipelineIdType']).to eq('IID')
-      expect(mutation_response['userPreferences']['useWebIdeExtensionMarketplace']).to eq(true)
       expect(mutation_response['userPreferences']['useWorkItemsView']).to eq(true)
 
       expect(current_user.user_preference.persisted?).to eq(true)
       expect(current_user.user_preference.extensions_marketplace_opt_in_status).to eq('enabled')
       expect(current_user.user_preference.issues_sort).to eq(Types::IssueSortEnum.values[sort_value].value.to_s)
       expect(current_user.user_preference.visibility_pipeline_id_type).to eq('iid')
-      expect(current_user.user_preference.use_web_ide_extension_marketplace).to eq(false)
       expect(current_user.user_preference.use_work_items_view).to eq(true)
     end
   end
@@ -54,7 +51,6 @@
         organization_groups_projects_display: Types::Organizations::GroupsProjectsDisplayEnum.values['GROUPS'].value,
         organization_groups_projects_sort: 'NAME_DESC',
         visibility_pipeline_id_type: 'id',
-        use_web_ide_extension_marketplace: false,
         use_work_items_view: false
       }
     end
@@ -87,7 +83,6 @@
           'organizationGroupsProjectsDisplay' => nil,
           'organizationGroupsProjectsSort' => nil,
           'visibilityPipelineIdType' => nil,
-          'useWebIdeExtensionMarketplace' => nil,
           'useWorkItemsView' => nil
         }
       end
@@ -107,7 +102,6 @@
           organization_groups_projects_display: init_user_preference[:organization_groups_projects_display],
           extensions_marketplace_opt_in_status: init_user_preference[:extensions_marketplace_opt_in_status],
           visibility_pipeline_id_type: init_user_preference[:visibility_pipeline_id_type],
-          use_web_ide_extension_marketplace: init_user_preference[:use_web_ide_extension_marketplace],
           use_work_items_view: init_user_preference[:use_work_items_view]
         })
       end