diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,10 +18,12 @@
 include(KDEPackageAppTemplates)
 include(ECMAddQch)
 
-include(GenerateExportHeader)
+include(ECMGenerateExportHeader)
 
 include(ECMSetupVersion)
 
+set(EXCLUDE_DEPRECATED_BEFORE_AND_AT 0 CACHE STRING "Control how much of deprecated API is build [default=0].")
+
 option(BUILD_QCH "Build API documentation in QCH format (for e.g. Qt Assistant, Qt Creator & KDevelop)" OFF)
 add_feature_info(QCH ${BUILD_QCH} "API documentation in QCH format (for e.g. Qt Assistant, Qt Creator & KDevelop)")
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -74,8 +74,16 @@
         COMPONENT Devel)
 
 add_library(KF5Parts ${KParts_LIB_SRCS})
-generate_export_header(KF5Parts EXPORT_FILE_NAME ${KParts_BINARY_DIR}/kparts/kparts_export.h BASE_NAME KParts)
 add_library(KF5::Parts ALIAS KF5Parts)
+ecm_generate_export_header(KF5Parts
+    EXPORT_FILE_NAME ${KParts_BINARY_DIR}/kparts/kparts_export.h
+    BASE_NAME KParts
+    # GROUP_BASE_NAME KF <- enable once all of KF modules use ecm_generate_export_header
+    VERSION ${KF5_VERSION}
+    DEPRECATED_BASE_VERSION 0
+    DEPRECATION_VERSIONS 5.0
+    EXCLUDE_DEPRECATED_BEFORE_AND_AT ${EXCLUDE_DEPRECATED_BEFORE_AND_AT}
+)
 
 set(KParts_BUILD_INCLUDE_DIRS ${KParts_BINARY_DIR} ${CMAKE_CURRENT_BINARY_DIR})
 target_include_directories(KF5Parts PUBLIC "$<BUILD_INTERFACE:${KParts_BUILD_INCLUDE_DIRS}>")
diff --git a/src/browserextension.h b/src/browserextension.h
--- a/src/browserextension.h
+++ b/src/browserextension.h
@@ -111,9 +111,11 @@
      */
     enum PopupFlag {
         DefaultPopupItems = 0x0000, /**< default value, no additional menu item */
+#if KPARTS_ENABLE_DEPRECATED_SINCE(5, 27)
         ShowNavigationItems = 0x0001, /**< @deprecated since 5.27, no effect anymore */
         ShowUp = 0x0002, /**< @deprecated since 5.27, no effect anymore */
         ShowReload = 0x0004, /**< @deprecated since 5.27, no effect anymore */
+#endif
         ShowBookmark = 0x0008, /**< show "add to bookmarks" (usually not done on the local filesystem) */
         ShowCreateDirectory = 0x0010, /**<  show "create directory" (usually only done on the background of the view, or
        *                      in hierarchical views like directory trees, where the new dir would be visible) */
diff --git a/src/browserrun.h b/src/browserrun.h
--- a/src/browserrun.h
+++ b/src/browserrun.h
@@ -79,42 +79,45 @@
      */
     bool serverSuggestsSave() const;
 
+#if KPARTS_ENABLE_DEPRECATED_SINCE(5, 0)
     enum AskSaveResult { Save, Open, Cancel };
     /**
      * Ask the user whether to save or open a url in another application.
      * @param url the URL in question
      * @param offer the application that will be used to open the URL
      * @param mimeType the mimetype of the URL
      * @param suggestedFileName optional file name suggested by the server
      * @return Save, Open or Cancel.
-     * @deprecated use BrowserOpenOrSaveQuestion
+     * @deprecated Since 5.0, use BrowserOpenOrSaveQuestion
      * @code
      *  BrowserOpenOrSaveQuestion dlg(parent, url, mimeType, suggestedFileName);
      *  const BrowserOpenOrSaveQuestion::Result res = dlg.askOpenOrSave();
      * @endcode
      */
-#ifndef KPARTS_NO_DEPRECATED
-    static KPARTS_DEPRECATED AskSaveResult askSave(const QUrl &url, KService::Ptr offer, const QString &mimeType, const QString &suggestedFileName = QString());
+    KPARTS_DEPRECATED_VERSION(5, 0, "Use KParts::BrowserOpenOrSaveQuestion")
+    static AskSaveResult askSave(const QUrl &url, KService::Ptr offer, const QString &mimeType, const QString &suggestedFileName = QString());
 #endif
 
     enum AskEmbedOrSaveFlags { InlineDisposition = 0, AttachmentDisposition = 1 };
+
+#if KPARTS_ENABLE_DEPRECATED_SINCE(5, 0)
     /**
      * Similar to askSave but for the case where the current application is
      * able to embed the url itself (instead of passing it to another app).
      * @param url the URL in question
      * @param mimeType the mimetype of the URL
      * @param suggestedFileName optional filename suggested by the server
      * @param flags set to AttachmentDisposition if suggested by the server
      * @return Save, Open or Cancel.
-     * @deprecated use BrowserOpenOrSaveQuestion
+     * @deprecated Since 5.0, use BrowserOpenOrSaveQuestion
      * @code
      *  BrowserOpenOrSaveQuestion dlg(parent, url, mimeType, suggestedFileName);
      *  const BrowserOpenOrSaveQuestion::Result res = dlg.askEmbedOrSave(flags);
      *  // Important: returns Embed now, not Open!
      * @endcode
      */
-#ifndef KPARTS_NO_DEPRECATED
-    static KPARTS_DEPRECATED AskSaveResult askEmbedOrSave(const QUrl &url, const QString &mimeType, const QString &suggestedFileName = QString(), int flags = 0);
+    KPARTS_DEPRECATED_VERSION(5, 0, "Use KParts::BrowserOpenOrSaveQuestion")
+    static AskSaveResult askEmbedOrSave(const QUrl &url, const QString &mimeType, const QString &suggestedFileName = QString(), int flags = 0);
 #endif
 
     // virtual so that KHTML can implement differently (HTML cache)
diff --git a/src/browserrun.cpp b/src/browserrun.cpp
--- a/src/browserrun.cpp
+++ b/src/browserrun.cpp
@@ -348,7 +348,7 @@
 }
 
 //static, deprecated
-#ifndef KPARTS_NO_DEPRECATED
+#if KPARTS_BUILD_DEPRECATED_SINCE(5, 0)
 BrowserRun::AskSaveResult BrowserRun::askSave(const QUrl &url, KService::Ptr offer, const QString &mimeType, const QString &suggestedFileName)
 {
     Q_UNUSED(offer);
@@ -362,7 +362,7 @@
 #endif
 
 //static, deprecated
-#ifndef KPARTS_NO_DEPRECATED
+#if KPARTS_BUILD_DEPRECATED_SINCE(5, 0)
 BrowserRun::AskSaveResult BrowserRun::askEmbedOrSave(const QUrl &url, const QString &mimeType, const QString &suggestedFileName, int flags)
 {
     BrowserOpenOrSaveQuestion question(nullptr, url, mimeType);
diff --git a/src/readonlypart.h b/src/readonlypart.h
--- a/src/readonlypart.h
+++ b/src/readonlypart.h
@@ -282,18 +282,18 @@
      */
     void guiActivateEvent(GUIActivateEvent *event) override;
 
+#if KPARTS_ENABLE_DEPRECATED_SINCE(5, 0)
     /**
      * @internal
      */
-#ifndef KPARTS_NO_DEPRECATED
-    KPARTS_DEPRECATED bool isLocalFileTemporary() const;
-#endif
+    KPARTS_DEPRECATED_VERSION(5, 0, "Do not use feature")
+    bool isLocalFileTemporary() const;
 
     /**
      * @internal
      */
-#ifndef KPARTS_NO_DEPRECATED
-    KPARTS_DEPRECATED void setLocalFileTemporary(bool temp);
+    KPARTS_DEPRECATED_VERSION(5, 0, "Do not use feature")
+    void setLocalFileTemporary(bool temp);
 #endif
 
     /**
diff --git a/src/readonlypart.cpp b/src/readonlypart.cpp
--- a/src/readonlypart.cpp
+++ b/src/readonlypart.cpp
@@ -84,16 +84,16 @@
     d->m_file = localFilePath;
 }
 
-#ifndef KPARTS_NO_DEPRECATED
+#if KPARTS_BUILD_DEPRECATED_SINCE(5, 0)
 bool ReadOnlyPart::isLocalFileTemporary() const
 {
     Q_D(const ReadOnlyPart);
 
     return d->m_bTemp;
 }
 #endif
 
-#ifndef KPARTS_NO_DEPRECATED
+#if KPARTS_BUILD_DEPRECATED_SINCE(5, 0)
 void ReadOnlyPart::setLocalFileTemporary(bool temp)
 {
     Q_D(ReadOnlyPart);