diff --git a/lib/public/Dashboard/IDashboardManager.php b/lib/public/Dashboard/IDashboardManager.php
index 812338bfb3..164a86cd8b 100644
--- a/lib/public/Dashboard/IDashboardManager.php
+++ b/lib/public/Dashboard/IDashboardManager.php
@@ -38,6 +38,7 @@ use OCP\Dashboard\Service\IWidgetsService;
  * The call can be done from any Service.
  *
  * @since 15.0.0
+ * @deprecated 20.0.0
  *
  * @package OCP\Dashboard
  */
@@ -48,6 +49,7 @@ interface IDashboardManager {
 	 * Register a IWidgetsService.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param IWidgetsService $widgetsService
 	 */
@@ -58,6 +60,7 @@ interface IDashboardManager {
 	 * Register a IEventsService.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param IEventsService $eventsService
 	 */
@@ -70,6 +73,7 @@ interface IDashboardManager {
 	 * @see IWidgetConfig
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $widgetId
 	 * @param string $userId
@@ -92,6 +96,7 @@ interface IDashboardManager {
 	 * that are running dashboard.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $widgetId
 	 * @param array $users
@@ -106,6 +111,7 @@ interface IDashboardManager {
 	 * Create push notifications for groups. (ie. createUsersEvent())
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $widgetId
 	 * @param array $groups
@@ -120,6 +126,7 @@ interface IDashboardManager {
 	 * Create push notifications for everyone. (ie. createUsersEvent())
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $widgetId
 	 * @param array $payload
diff --git a/lib/public/Dashboard/IDashboardWidget.php b/lib/public/Dashboard/IDashboardWidget.php
index ef8b9c74d1..4d1b0c1147 100644
--- a/lib/public/Dashboard/IDashboardWidget.php
+++ b/lib/public/Dashboard/IDashboardWidget.php
@@ -45,6 +45,7 @@ use OCP\Dashboard\Model\WidgetTemplate;
  * Multiple widget can be defined in the same appinfo/info.xml.
  *
  * @since 15.0.0
+ * @deprecated 20.0.0
  *
  * @package OCP\Dashboard
  */
@@ -54,6 +55,7 @@ interface IDashboardWidget {
 	 * Should returns the (unique) Id of the widget.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return string
 	 */
@@ -64,6 +66,7 @@ interface IDashboardWidget {
 	 * Should returns the [display] name of the widget.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return string
 	 */
@@ -75,6 +78,7 @@ interface IDashboardWidget {
 	 * This description is displayed in the listing of the available widgets.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return string
 	 */
@@ -88,6 +92,7 @@ interface IDashboardWidget {
 	 * @see WidgetTemplate
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return WidgetTemplate
 	 */
@@ -101,6 +106,7 @@ interface IDashboardWidget {
 	 * @see WidgetSetup
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return WidgetSetup
 	 */
@@ -119,6 +125,7 @@ interface IDashboardWidget {
 	 * @see IWidgetConfig
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param IWidgetConfig $settings
 	 */
@@ -134,6 +141,7 @@ interface IDashboardWidget {
 	 * @see IWidgetRequest
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param IWidgetRequest $request
 	 */
diff --git a/lib/public/Dashboard/Model/IWidgetConfig.php b/lib/public/Dashboard/Model/IWidgetConfig.php
index 41c9e23317..078c14c742 100644
--- a/lib/public/Dashboard/Model/IWidgetConfig.php
+++ b/lib/public/Dashboard/Model/IWidgetConfig.php
@@ -36,6 +36,7 @@ use OCP\Dashboard\IDashboardWidget;
  * @see IDashboardWidget::loadWidget
  *
  * @since 15.0.0
+ * @deprecated 20.0.0
  *
  * @package OCP\Dashboard\Model
  */
@@ -46,6 +47,7 @@ interface IWidgetConfig {
 	 * Returns the userId
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return string
 	 */
@@ -56,6 +58,7 @@ interface IWidgetConfig {
 	 * Returns the widgetId
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return string
 	 */
@@ -75,6 +78,7 @@ interface IWidgetConfig {
 	 * ]
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return array
 	 */
@@ -105,6 +109,7 @@ interface IWidgetConfig {
 	 * Dashboard app.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return array
 	 */
@@ -115,6 +120,7 @@ interface IWidgetConfig {
 	 * Returns if the widget is enabled/displayed in this user's dashboard.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return bool
 	 */
diff --git a/lib/public/Dashboard/Model/IWidgetRequest.php b/lib/public/Dashboard/Model/IWidgetRequest.php
index 18ad855006..5f1f2e396c 100644
--- a/lib/public/Dashboard/Model/IWidgetRequest.php
+++ b/lib/public/Dashboard/Model/IWidgetRequest.php
@@ -38,6 +38,7 @@ use OCP\Dashboard\IDashboardWidget;
  * @see IDashboardWidget::requestWidget
  *
  * @since 15.0.0
+ * @deprecated 20.0.0
  *
  * @package OCP\Dashboard\Model
  */
@@ -47,6 +48,7 @@ interface IWidgetRequest {
 	 * Get the widgetId.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return string
 	 */
@@ -57,6 +59,7 @@ interface IWidgetRequest {
 	 * Get the WidgetClass.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return IDashboardWidget
 	 */
@@ -76,6 +79,7 @@ interface IWidgetRequest {
 	 *    callback);
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return string
 	 */
@@ -88,6 +92,7 @@ interface IWidgetRequest {
 	 * @see getRequest
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return string
 	 */
@@ -98,6 +103,7 @@ interface IWidgetRequest {
 	 * Returns the result.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return array
 	 */
@@ -108,6 +114,7 @@ interface IWidgetRequest {
 	 * add a result (as string)
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $key
 	 * @param string $result
@@ -120,6 +127,7 @@ interface IWidgetRequest {
 	 * add a result (as array)
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $key
 	 * @param array $result
diff --git a/lib/public/Dashboard/Model/WidgetSetting.php b/lib/public/Dashboard/Model/WidgetSetting.php
index 6242960760..406811e1f8 100644
--- a/lib/public/Dashboard/Model/WidgetSetting.php
+++ b/lib/public/Dashboard/Model/WidgetSetting.php
@@ -45,6 +45,7 @@ use JsonSerializable;
  * @see WidgetTemplate::addSetting
  *
  * @since 15.0.0
+ * @deprecated 20.0.0
  *
  * @package OCP\Dashboard\Model
  */
@@ -73,6 +74,7 @@ final class WidgetSetting implements JsonSerializable {
 	 * WidgetSetting constructor.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $type
 	 */
@@ -85,6 +87,7 @@ final class WidgetSetting implements JsonSerializable {
 	 * Set the name of the setting (full string, no space)
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $name
 	 *
@@ -100,6 +103,7 @@ final class WidgetSetting implements JsonSerializable {
 	 * Get the name of the setting
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return string
 	 */
@@ -112,6 +116,7 @@ final class WidgetSetting implements JsonSerializable {
 	 * Set the title/display name of the setting.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $title
 	 *
@@ -127,6 +132,7 @@ final class WidgetSetting implements JsonSerializable {
 	 * Get the title of the setting
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return string
 	 */
@@ -139,6 +145,7 @@ final class WidgetSetting implements JsonSerializable {
 	 * Set the type of the setting (input, checkbox, ...)
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $type
 	 *
@@ -154,6 +161,7 @@ final class WidgetSetting implements JsonSerializable {
 	 * Get the type of the setting.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return string
 	 */
@@ -166,6 +174,7 @@ final class WidgetSetting implements JsonSerializable {
 	 * Set the placeholder (in case of type=input)
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $text
 	 *
@@ -181,6 +190,7 @@ final class WidgetSetting implements JsonSerializable {
 	 * Get the placeholder.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return string
 	 */
@@ -193,6 +203,7 @@ final class WidgetSetting implements JsonSerializable {
 	 * Set the default value of the setting.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $value
 	 *
@@ -208,6 +219,7 @@ final class WidgetSetting implements JsonSerializable {
 	 * Get the default value.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return string
 	 */
@@ -218,6 +230,7 @@ final class WidgetSetting implements JsonSerializable {
 
 	/**
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return array
 	 */
diff --git a/lib/public/Dashboard/Model/WidgetSetup.php b/lib/public/Dashboard/Model/WidgetSetup.php
index 18dc0abd48..2a1fc87741 100644
--- a/lib/public/Dashboard/Model/WidgetSetup.php
+++ b/lib/public/Dashboard/Model/WidgetSetup.php
@@ -38,6 +38,7 @@ use JsonSerializable;
  * @see IDashboardWidget::getWidgetSetup
  *
  * @since 15.0.0
+ * @deprecated 20.0.0
  *
  * @package OCP\Dashboard\Model
  */
@@ -73,6 +74,7 @@ final class WidgetSetup implements JsonSerializable {
 	 *
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $type
 	 *
@@ -90,6 +92,7 @@ final class WidgetSetup implements JsonSerializable {
 	 * Returns all sizes defined for the widget.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return array
 	 */
@@ -101,6 +104,7 @@ final class WidgetSetup implements JsonSerializable {
 	 * Add a new size to the setup.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $type
 	 * @param int $width
@@ -121,6 +125,7 @@ final class WidgetSetup implements JsonSerializable {
 	 * Returns menu entries.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return array
 	 */
@@ -136,6 +141,7 @@ final class WidgetSetup implements JsonSerializable {
 	 * $text is the display name of the menu entry.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $function
 	 * @param string $icon
@@ -161,6 +167,7 @@ final class WidgetSetup implements JsonSerializable {
 	 * $delay is the time in seconds between each call.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $function
 	 * @param int $delay
@@ -180,6 +187,7 @@ final class WidgetSetup implements JsonSerializable {
 	 * Get delayed jobs.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return array
 	 */
@@ -192,6 +200,7 @@ final class WidgetSetup implements JsonSerializable {
 	 * Get the push function, called when an event is send to the front-end
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return string
 	 */
@@ -204,6 +213,7 @@ final class WidgetSetup implements JsonSerializable {
 	 * frontend.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $function
 	 *
@@ -220,6 +230,7 @@ final class WidgetSetup implements JsonSerializable {
 	 * Returns the default settings for a widget.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return array
 	 */
@@ -235,6 +246,7 @@ final class WidgetSetup implements JsonSerializable {
 	 * @see WidgetSetting
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param array $settings
 	 *
@@ -249,6 +261,7 @@ final class WidgetSetup implements JsonSerializable {
 
 	/**
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return array
 	 */
diff --git a/lib/public/Dashboard/Model/WidgetTemplate.php b/lib/public/Dashboard/Model/WidgetTemplate.php
index e25abb0254..10285cfb00 100644
--- a/lib/public/Dashboard/Model/WidgetTemplate.php
+++ b/lib/public/Dashboard/Model/WidgetTemplate.php
@@ -37,6 +37,7 @@ use JsonSerializable;
  * @see IDashboardWidget::getWidgetTemplate
  *
  * @since 15.0.0
+ * @deprecated 20.0.0
  *
  * @package OCP\Dashboard\Model
  */
@@ -66,6 +67,7 @@ final class WidgetTemplate implements JsonSerializable {
 	 * Get the icon class of the widget.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return string
 	 */
@@ -80,6 +82,7 @@ final class WidgetTemplate implements JsonSerializable {
 	 * @see addCss
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $icon
 	 *
@@ -95,6 +98,7 @@ final class WidgetTemplate implements JsonSerializable {
 	 * Get CSS files to be included when displaying a widget
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return array
 	 */
@@ -106,6 +110,7 @@ final class WidgetTemplate implements JsonSerializable {
 	 * path and name of CSS files
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param array $css
 	 *
@@ -121,6 +126,7 @@ final class WidgetTemplate implements JsonSerializable {
 	 * Add a CSS file to be included when displaying a widget.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $css
 	 *
@@ -136,6 +142,7 @@ final class WidgetTemplate implements JsonSerializable {
 	 * Get JS files to be included when loading a widget
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return array
 	 */
@@ -147,6 +154,7 @@ final class WidgetTemplate implements JsonSerializable {
 	 * Set an array of JS files to be included when loading a widget.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param array $js
 	 *
@@ -162,6 +170,7 @@ final class WidgetTemplate implements JsonSerializable {
 	 * Add a JS file to be included when loading a widget.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $js
 	 *
@@ -177,6 +186,7 @@ final class WidgetTemplate implements JsonSerializable {
 	 * Get the HTML file that contains the content of the widget.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return string
 	 */
@@ -188,6 +198,7 @@ final class WidgetTemplate implements JsonSerializable {
 	 * Set the HTML file that contains the content of the widget.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $content
 	 *
@@ -203,6 +214,7 @@ final class WidgetTemplate implements JsonSerializable {
 	 * Get the JS function to be called when loading the widget.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return string
 	 */
@@ -215,6 +227,7 @@ final class WidgetTemplate implements JsonSerializable {
 	 * dashboard
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $function
 	 *
@@ -232,6 +245,7 @@ final class WidgetTemplate implements JsonSerializable {
 	 * @see WidgetSetting
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return WidgetSetting[]
 	 */
@@ -243,6 +257,7 @@ final class WidgetTemplate implements JsonSerializable {
 	 * Define all WidgetSetting for the widget.
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @see WidgetSetting
 	 *
@@ -262,6 +277,7 @@ final class WidgetTemplate implements JsonSerializable {
 	 * @see WidgetSetting
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param WidgetSetting $setting
 	 *
@@ -279,6 +295,7 @@ final class WidgetTemplate implements JsonSerializable {
 	 * @see WidgetSetting::setName
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $key
 	 *
@@ -295,6 +312,7 @@ final class WidgetTemplate implements JsonSerializable {
 
 	/**
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @return array
 	 */
diff --git a/lib/public/Dashboard/Service/IEventsService.php b/lib/public/Dashboard/Service/IEventsService.php
index f79d1a28e5..0e5931878e 100644
--- a/lib/public/Dashboard/Service/IEventsService.php
+++ b/lib/public/Dashboard/Service/IEventsService.php
@@ -35,6 +35,7 @@ use OCP\Dashboard\IDashboardManager;
  * are used by the IDashboardManager when creating push event.
  *
  * @since 15.0.0
+ * @deprecated 20.0.0
  *
  * @package OCP\Dashboard\Service
  */
@@ -47,6 +48,7 @@ interface IEventsService {
 	 * @see IDashboardManager::createUsersEvent
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $widgetId
 	 * @param array $users
@@ -62,6 +64,7 @@ interface IEventsService {
 	 * @see IDashboardManager::createGroupsEvent
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $widgetId
 	 * @param array $groups
@@ -77,6 +80,7 @@ interface IEventsService {
 	 * @see IDashboardManager::createGlobalEvent
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $widgetId
 	 * @param array $payload
diff --git a/lib/public/Dashboard/Service/IWidgetsService.php b/lib/public/Dashboard/Service/IWidgetsService.php
index dea20489e1..059d91a666 100644
--- a/lib/public/Dashboard/Service/IWidgetsService.php
+++ b/lib/public/Dashboard/Service/IWidgetsService.php
@@ -36,6 +36,7 @@ use OCP\Dashboard\Model\IWidgetConfig;
  * configuration of a widget for a user.
  *
  * @since 15.0.0
+ * @deprecated 20.0.0
  *
  * @package OCP\Dashboard\Service
  */
@@ -45,6 +46,7 @@ interface IWidgetsService {
 	 * Returns the IWidgetConfig for a widgetId and userId
 	 *
 	 * @since 15.0.0
+	 * @deprecated 20.0.0
 	 *
 	 * @param string $widgetId
 	 * @param string $userId