Remove obsolete fw declarations from dbaccess/

found with bin/find-unneeded-includes --fwdecl

Change-Id: I1a3b1420119b0c79860a1fde69efa4272356af61
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/183882
Tested-by: Jenkins
Reviewed-by: Gabor Kelemen <gabor.kelemen.extern@allotropia.de>

51 files changed, 6 insertions, 144 deletions

diff --git a/dbaccess/IwyuFilter_dbaccess.yaml b/dbaccess/IwyuFilter_dbaccess.yaml
index 18b61f7376d8..2e2d73d88b0b 100644
--- a/dbaccess/IwyuFilter_dbaccess.yaml
+++ b/dbaccess/IwyuFilter_dbaccess.yaml
@@ -56,6 +56,12 @@ excludelist:
     dbaccess/source/filter/xml/xmlExport.cxx:
     # Needed for template
     - com/sun/star/frame/XModel.hpp
+    dbaccess/source/ui/inc/dsitems.hxx:
+    # Needed in fwdecl mode
+    - class OptionalBoolItem
+    - class SfxBoolItem
+    - class SfxInt32Item
+    - class SfxStringItem
     dbaccess/source/ui/app/AppDetailPageHelper.cxx:
     # Actually used
     - com/sun/star/sdbc/XConnection.hpp
diff --git a/dbaccess/source/core/api/RowSetBase.hxx b/dbaccess/source/core/api/RowSetBase.hxx
index 13d6464cddbf..547a792d7aeb 100644
--- a/dbaccess/source/core/api/RowSetBase.hxx
+++ b/dbaccess/source/core/api/RowSetBase.hxx
@@ -41,11 +41,6 @@
 
 #include <functional>
 
-namespace com::sun::star {
-    namespace sdb { struct RowChangeEvent; }
-    namespace lang { struct Locale; }
-}
-
 namespace dbaccess
 {
     class OEmptyCollection;
@@ -62,7 +57,6 @@ namespace dbaccess
 
     class ORowSetCache;
     class ORowSetDataColumns;
-    class ORowSetCacheIterator;
     class ORowSetDataColumn;
     class ORowSetBase : public ORowSetBase_BASE,
                         public ::comphelper::OPropertyStateContainer,
diff --git a/dbaccess/source/core/inc/FilteredContainer.hxx b/dbaccess/source/core/inc/FilteredContainer.hxx
index 44802604c3b2..3ec2b1735bf3 100644
--- a/dbaccess/source/core/inc/FilteredContainer.hxx
+++ b/dbaccess/source/core/inc/FilteredContainer.hxx
@@ -28,11 +28,6 @@
 
 #include <connectivity/sdbcx/VCollection.hxx>
 
-namespace dbtools
-{
-    class WarningsContainer;
-}
-
 namespace dbaccess
 {
     class IRefreshListener;
diff --git a/dbaccess/source/core/inc/ModelImpl.hxx b/dbaccess/source/core/inc/ModelImpl.hxx
index fdf13db41b7b..8f4e7affddbe 100644
--- a/dbaccess/source/core/inc/ModelImpl.hxx
+++ b/dbaccess/source/core/inc/ModelImpl.hxx
@@ -48,11 +48,6 @@
 
 #include <span>
 
-namespace comphelper
-{
-    class NamedValueCollection;
-}
-
 namespace dbaccess
 {
 class OCommandContainer;
diff --git a/dbaccess/source/core/inc/databasecontext.hxx b/dbaccess/source/core/inc/databasecontext.hxx
index d94df018d1c0..8b8dd2b40fbb 100644
--- a/dbaccess/source/core/inc/databasecontext.hxx
+++ b/dbaccess/source/core/inc/databasecontext.hxx
@@ -39,15 +39,6 @@
 #include <basic/basicmanagerrepository.hxx>
 #include <cppuhelper/compbase.hxx>
 
-// needed for registration
-namespace com::sun::star {
-    namespace lang
-    {
-        class XMultiServiceFactory;
-        class IllegalArgumentException;
-    }
-}
-
 namespace dbaccess
 {
 class DatabaseDocumentLoader;
diff --git a/dbaccess/source/core/inc/querycontainer.hxx b/dbaccess/source/core/inc/querycontainer.hxx
index a04a1ddf3d31..df4b1acea5f1 100644
--- a/dbaccess/source/core/inc/querycontainer.hxx
+++ b/dbaccess/source/core/inc/querycontainer.hxx
@@ -66,7 +66,6 @@ namespace dbaccess
 
         /** a class which automatically resets m_eDoingCurrently in its destructor
         */
-        class OAutoActionReset; // just for the following friend declaration
         friend class OAutoActionReset;
         class OAutoActionReset
         {
diff --git a/dbaccess/source/core/inc/viewcontainer.hxx b/dbaccess/source/core/inc/viewcontainer.hxx
index dd4fd1c8523c..52928e79e686 100644
--- a/dbaccess/source/core/inc/viewcontainer.hxx
+++ b/dbaccess/source/core/inc/viewcontainer.hxx
@@ -31,11 +31,6 @@
 
 #include "FilteredContainer.hxx"
 
-namespace dbtools
-{
-    class WarningsContainer;
-}
-
 namespace dbaccess
 {
     // OViewContainer
diff --git a/dbaccess/source/sdbtools/inc/connectiondependent.hxx b/dbaccess/source/sdbtools/inc/connectiondependent.hxx
index 9f424256c61c..1278920c634c 100644
--- a/dbaccess/source/sdbtools/inc/connectiondependent.hxx
+++ b/dbaccess/source/sdbtools/inc/connectiondependent.hxx
@@ -80,7 +80,6 @@ namespace sdbtools
                 getConnection() const { return m_xConnection; }
 
     public:
-    struct GuardAccess;
     friend struct GuardAccess;
         /** helper for granting exclusive access to various other methods
         */
diff --git a/dbaccess/source/ui/app/AppController.hxx b/dbaccess/source/ui/app/AppController.hxx
index f50cdfb4daf7..66c2f67c79e5 100644
--- a/dbaccess/source/ui/app/AppController.hxx
+++ b/dbaccess/source/ui/app/AppController.hxx
@@ -41,7 +41,6 @@
 
 #include <memory>
 
-class TransferableHelper;
 class TransferableClipboardListener;
 
 namespace com::sun::star {
@@ -67,9 +66,7 @@ namespace weld
 namespace dbaui
 {
     class ODataClipboard;
-    class TreeListBox;
     class SubComponentManager;
-    class OApplicationController;
     class OApplicationView;
     class OLinkedDocumentsAccess;
     class SelectionNotifier;
diff --git a/dbaccess/source/ui/app/AppDetailPageHelper.hxx b/dbaccess/source/ui/app/AppDetailPageHelper.hxx
index fb47cb70c558..066ff0c32472 100644
--- a/dbaccess/source/ui/app/AppDetailPageHelper.hxx
+++ b/dbaccess/source/ui/app/AppDetailPageHelper.hxx
@@ -35,14 +35,12 @@
 
 namespace com::sun::star::awt   { class XWindow; }
 namespace com::sun::star::frame { class XFrame2; }
-namespace com::sun::star::io    { class XPersist; }
 
 namespace dbaui
 {
     class OAppBorderWindow;
     class ODocumentInfoPreview;
     class DBTreeViewBase;
-    class TreeListBox;
 
     class OPreviewWindow final : public weld::CustomWidgetController
     {
diff --git a/dbaccess/source/ui/app/AppDetailView.hxx b/dbaccess/source/ui/app/AppDetailView.hxx
index 18c572b1a957..9b0df37bcfdd 100644
--- a/dbaccess/source/ui/app/AppDetailView.hxx
+++ b/dbaccess/source/ui/app/AppDetailView.hxx
@@ -34,7 +34,6 @@ namespace dbaui
     class OAppBorderWindow;
     class OApplicationDetailView;
     class OAppDetailPageHelper;
-    class OTasksWindow;
     class TreeListBox;
 
     struct TaskEntry
diff --git a/dbaccess/source/ui/app/AppIconControl.hxx b/dbaccess/source/ui/app/AppIconControl.hxx
index 1146a77a1f06..08bc25b4282b 100644
--- a/dbaccess/source/ui/app/AppIconControl.hxx
+++ b/dbaccess/source/ui/app/AppIconControl.hxx
@@ -28,7 +28,6 @@ class MnemonicGenerator;
 namespace dbaui
 {
     class IControlActionListener;
-    class IconControl;
     class OApplicationIconControlDropTarget;
 
     class OApplicationIconControl final : public ThumbnailView
diff --git a/dbaccess/source/ui/app/AppView.hxx b/dbaccess/source/ui/app/AppView.hxx
index 59a6d477a367..43dc46b222b4 100644
--- a/dbaccess/source/ui/app/AppView.hxx
+++ b/dbaccess/source/ui/app/AppView.hxx
@@ -28,8 +28,6 @@
 #include <IClipBoardTest.hxx>
 #include <AppElementType.hxx>
 
-namespace com::sun::star::beans    { class XPropertySet; }
-
 class MnemonicGenerator;
 
 namespace dbaui
diff --git a/dbaccess/source/ui/browser/dbtreemodel.hxx b/dbaccess/source/ui/browser/dbtreemodel.hxx
index 53a34a8e4247..55b1a3cffcc9 100644
--- a/dbaccess/source/ui/browser/dbtreemodel.hxx
+++ b/dbaccess/source/ui/browser/dbtreemodel.hxx
@@ -29,8 +29,6 @@
 //   tables                     holds the nameaccess for the tables
 //     table                    holds the table
 
-namespace com::sun::star::lang { class XMultiServiceFactory; }
-
 namespace dbaui
 {
     struct DBTreeListUserData
diff --git a/dbaccess/source/ui/dlg/dbfindex.hxx b/dbaccess/source/ui/dlg/dbfindex.hxx
index 938339314ecc..7b86a450f53d 100644
--- a/dbaccess/source/ui/dlg/dbfindex.hxx
+++ b/dbaccess/source/ui/dlg/dbfindex.hxx
@@ -43,7 +43,6 @@ public:
 typedef std::deque< OTableIndex >  TableIndexList;
 
 // OTableInfo
-class ODbaseIndexDialog;
 /** holds the INF file of a table
 */
 class OTableInfo
diff --git a/dbaccess/source/ui/dlg/dsselect.hxx b/dbaccess/source/ui/dlg/dsselect.hxx
index bfd068898093..bae8a35ac4db 100644
--- a/dbaccess/source/ui/dlg/dsselect.hxx
+++ b/dbaccess/source/ui/dlg/dsselect.hxx
@@ -25,7 +25,6 @@
 #include <memory>
 #include <set>
 
-class SfxItemSet;
 namespace dbaui
 {
 // ODatasourceSelector
diff --git a/dbaccess/source/ui/inc/ConnectionLineAccess.hxx b/dbaccess/source/ui/inc/ConnectionLineAccess.hxx
index baf02acfbf44..91f3e76d9810 100644
--- a/dbaccess/source/ui/inc/ConnectionLineAccess.hxx
+++ b/dbaccess/source/ui/inc/ConnectionLineAccess.hxx
@@ -29,7 +29,6 @@ using css::accessibility::AccessibleRelationType;
 
 namespace dbaui
 {
-    class OTableConnection;
     /** the class OConnectionLineAccess represents the accessible object for the connection between two table windows
         like they are used in the QueryDesign and the RelationDesign
     */
diff --git a/dbaccess/source/ui/inc/IItemSetHelper.hxx b/dbaccess/source/ui/inc/IItemSetHelper.hxx
index cdc1026eaf36..b581c5a55e69 100644
--- a/dbaccess/source/ui/inc/IItemSetHelper.hxx
+++ b/dbaccess/source/ui/inc/IItemSetHelper.hxx
@@ -28,9 +28,6 @@ namespace com::sun::star {
         class XConnection;
         class XDriver;
     }
-    namespace lang {
-        class XMultiServiceFactory;
-    }
 }
 
 class SfxItemSet;
diff --git a/dbaccess/source/ui/inc/JAccess.hxx b/dbaccess/source/ui/inc/JAccess.hxx
index ce187baddbde..7eb6f03adef3 100644
--- a/dbaccess/source/ui/inc/JAccess.hxx
+++ b/dbaccess/source/ui/inc/JAccess.hxx
@@ -25,7 +25,6 @@
 
 namespace dbaui
 {
-    class OJoinTableView;
     /** the class OJoinDesignViewAccess represents the accessible object for join views
         like the QueryDesign and the RelationDesign
     */
diff --git a/dbaccess/source/ui/inc/JoinDesignView.hxx b/dbaccess/source/ui/inc/JoinDesignView.hxx
index f4871e9df5ca..0883e424f790 100644
--- a/dbaccess/source/ui/inc/JoinDesignView.hxx
+++ b/dbaccess/source/ui/inc/JoinDesignView.hxx
@@ -21,8 +21,6 @@
 
 #include <dbaccess/dataview.hxx>
 
-class Splitter;
-
 namespace dbaui
 {
     class OJoinController;
diff --git a/dbaccess/source/ui/inc/JoinTableView.hxx b/dbaccess/source/ui/inc/JoinTableView.hxx
index 9e2e2bf57e25..138de4106070 100644
--- a/dbaccess/source/ui/inc/JoinTableView.hxx
+++ b/dbaccess/source/ui/inc/JoinTableView.hxx
@@ -32,8 +32,6 @@
 #include <map>
 #include <vector>
 
-struct AcceptDropEvent;
-struct ExecuteDropEvent;
 class SfxUndoAction;
 
 namespace dbaui
@@ -42,7 +40,6 @@ namespace dbaui
     class OTableWindow;
     struct OJoinExchangeData;
     class OJoinDesignView;
-    class OTableWindowData;
     class OJoinDesignViewAccess;
 
     // this class contains only the scrollbars to avoid that
diff --git a/dbaccess/source/ui/inc/RTableConnectionData.hxx b/dbaccess/source/ui/inc/RTableConnectionData.hxx
index 0dd40e2fab10..ad6f0d376ccc 100644
--- a/dbaccess/source/ui/inc/RTableConnectionData.hxx
+++ b/dbaccess/source/ui/inc/RTableConnectionData.hxx
@@ -28,7 +28,6 @@ namespace dbaui
         Undefined, OneMany, ManyOne, OneOne
     };
 
-    class OConnectionLineData;
     class ORelationTableConnectionData final : public OTableConnectionData
     {
         friend bool operator==(const ORelationTableConnectionData& lhs, const ORelationTableConnectionData& rhs);
diff --git a/dbaccess/source/ui/inc/RelationControl.hxx b/dbaccess/source/ui/inc/RelationControl.hxx
index 5d4edee2aadf..2067242bf7ab 100644
--- a/dbaccess/source/ui/inc/RelationControl.hxx
+++ b/dbaccess/source/ui/inc/RelationControl.hxx
@@ -23,7 +23,6 @@
 
 namespace dbaui
 {
-    class OTableListBoxControl;
     class IRelationControlInterface;
     class ORelationControl;
 
diff --git a/dbaccess/source/ui/inc/TableConnection.hxx b/dbaccess/source/ui/inc/TableConnection.hxx
index a38aa1fe030b..ac4f27eabcb3 100644
--- a/dbaccess/source/ui/inc/TableConnection.hxx
+++ b/dbaccess/source/ui/inc/TableConnection.hxx
@@ -28,7 +28,6 @@ namespace tools { class Rectangle; }
 
 namespace dbaui
 {
-    class OTableConnectionData;
     class OTableWindow;
     class OJoinTableView;
     class OConnectionLine;
diff --git a/dbaccess/source/ui/inc/TableFieldDescription.hxx b/dbaccess/source/ui/inc/TableFieldDescription.hxx
index d21ad953abd5..8c3c9b1cd82a 100644
--- a/dbaccess/source/ui/inc/TableFieldDescription.hxx
+++ b/dbaccess/source/ui/inc/TableFieldDescription.hxx
@@ -34,8 +34,6 @@ namespace comphelper
     class NamedValueCollection;
 }
 
-namespace vcl { class Window; }
-
 namespace dbaui
 {
     class OTableFieldDesc : public ::salhelper::SimpleReferenceObject
diff --git a/dbaccess/source/ui/inc/TableGrantCtrl.hxx b/dbaccess/source/ui/inc/TableGrantCtrl.hxx
index 74a9fd8b5875..d27766913ffe 100644
--- a/dbaccess/source/ui/inc/TableGrantCtrl.hxx
+++ b/dbaccess/source/ui/inc/TableGrantCtrl.hxx
@@ -28,7 +28,6 @@
 #include <com/sun/star/sdbcx/XAuthorizable.hpp>
 #include <com/sun/star/uno/XComponentContext.hpp>
 
-class Edit;
 namespace dbaui
 {
 
diff --git a/dbaccess/source/ui/inc/TableWindow.hxx b/dbaccess/source/ui/inc/TableWindow.hxx
index 2ccf236d0c98..fb6220291558 100644
--- a/dbaccess/source/ui/inc/TableWindow.hxx
+++ b/dbaccess/source/ui/inc/TableWindow.hxx
@@ -48,7 +48,6 @@ namespace dbaui
 {
     class OJoinDesignView;
     class OJoinTableView;
-    class OTableWindowAccess;
 
     class OTableWindow : public ::cppu::BaseMutex
                         ,public ::comphelper::OContainerListener
diff --git a/dbaccess/source/ui/inc/TableWindowAccess.hxx b/dbaccess/source/ui/inc/TableWindowAccess.hxx
index fa3dc1bee032..1ef339902b33 100644
--- a/dbaccess/source/ui/inc/TableWindowAccess.hxx
+++ b/dbaccess/source/ui/inc/TableWindowAccess.hxx
@@ -29,7 +29,6 @@ using css::accessibility::AccessibleRelationType;
 
 namespace dbaui
 {
-    class OTableWindow;
     /** the class OTableWindowAccess represents the accessible object for table windows
         like they are used in the QueryDesign and the RelationDesign
     */
diff --git a/dbaccess/source/ui/inc/TableWindowListBox.hxx b/dbaccess/source/ui/inc/TableWindowListBox.hxx
index cdad4947ca8d..ab1f84d52703 100644
--- a/dbaccess/source/ui/inc/TableWindowListBox.hxx
+++ b/dbaccess/source/ui/inc/TableWindowListBox.hxx
@@ -22,8 +22,6 @@
 #include <vcl/InterimItemWindow.hxx>
 #include "callbacks.hxx"
 
-struct AcceptDropEvent;
-struct ExecuteDropEvent;
 namespace dbaui
 {
     class OTableWindowListBox;
diff --git a/dbaccess/source/ui/inc/TokenWriter.hxx b/dbaccess/source/ui/inc/TokenWriter.hxx
index b82bd71a5feb..3a4bfc359f0b 100644
--- a/dbaccess/source/ui/inc/TokenWriter.hxx
+++ b/dbaccess/source/ui/inc/TokenWriter.hxx
@@ -46,7 +46,6 @@ class SvStream;
 namespace dbaui
 {
     // ODatabaseImportExport base class for import/export
-    class ODatabaseExport;
     class ODatabaseImportExport : public ::cppu::WeakImplHelper< css::lang::XEventListener>
     {
     protected:
diff --git a/dbaccess/source/ui/inc/UITools.hxx b/dbaccess/source/ui/inc/UITools.hxx
index c622c73f65c5..f45213a28b49 100644
--- a/dbaccess/source/ui/inc/UITools.hxx
+++ b/dbaccess/source/ui/inc/UITools.hxx
@@ -44,11 +44,6 @@ namespace com::sun::star {
     {
         class XEventListener;
     }
-    namespace awt
-    {
-        struct FontDescriptor;
-        class XWindow;
-    }
     namespace sdbc
     {
         class XDatabaseMetaData;
@@ -56,7 +51,6 @@ namespace com::sun::star {
     }
     namespace util
     {
-        struct URL;
         class XNumberFormatter;
     }
     namespace ucb { class XContent; }
@@ -73,8 +67,6 @@ namespace weld {
     class Widget;
     class Window;
 }
-class ToolBox;
-namespace vcl { class Font; }
 class SvNumberFormatter;
 class SfxFilter;
 
diff --git a/dbaccess/source/ui/inc/UserAdminDlg.hxx b/dbaccess/source/ui/inc/UserAdminDlg.hxx
index 95edbe5f5527..8787e10f39e5 100644
--- a/dbaccess/source/ui/inc/UserAdminDlg.hxx
+++ b/dbaccess/source/ui/inc/UserAdminDlg.hxx
@@ -27,9 +27,6 @@ namespace com::sun::star {
     namespace sdbc {
         class XConnection;
     }
-    namespace lang {
-        class XMultiServiceFactory;
-    }
 }
 
 namespace dbaui
diff --git a/dbaccess/source/ui/inc/WCPage.hxx b/dbaccess/source/ui/inc/WCPage.hxx
index 69dc96f144e2..e23d64f59940 100644
--- a/dbaccess/source/ui/inc/WCPage.hxx
+++ b/dbaccess/source/ui/inc/WCPage.hxx
@@ -22,8 +22,6 @@
 
 namespace dbaui
 {
-    class OWizColumnSelect;
-    class OWizNormalExtend;
     class OCopyTable final : public OWizardPage
     {
         bool               m_bPKeyAllowed;
diff --git a/dbaccess/source/ui/inc/WTypeSelect.hxx b/dbaccess/source/ui/inc/WTypeSelect.hxx
index dfda5f6937c0..3c206d0fecb1 100644
--- a/dbaccess/source/ui/inc/WTypeSelect.hxx
+++ b/dbaccess/source/ui/inc/WTypeSelect.hxx
@@ -27,7 +27,6 @@ class SvStream;
 namespace dbaui
 {
     class OWizTypeSelect;
-    class OTableDesignHelpBar;
     // OWizTypeSelectControl
     class OWizTypeSelectControl final : public OFieldDescControl
     {
diff --git a/dbaccess/source/ui/inc/brwctrlr.hxx b/dbaccess/source/ui/inc/brwctrlr.hxx
index e5e1db401a6a..38c8ecc40f35 100644
--- a/dbaccess/source/ui/inc/brwctrlr.hxx
+++ b/dbaccess/source/ui/inc/brwctrlr.hxx
@@ -45,11 +45,6 @@
 struct FmFoundRecordInformation;
 struct FmSearchContext;
 
-namespace dbtools
-{
-    class SQLExceptionInfo;
-}
-
 namespace dbaui
 {
 
diff --git a/dbaccess/source/ui/inc/brwview.hxx b/dbaccess/source/ui/inc/brwview.hxx
index 12d3d8822073..d7c83a4062f1 100644
--- a/dbaccess/source/ui/inc/brwview.hxx
+++ b/dbaccess/source/ui/inc/brwview.hxx
@@ -26,7 +26,6 @@
 #include "dbtreelistbox.hxx"
 
 namespace com::sun::star::awt {
-    class XControl;
     class XControlContainer;
     class XControlModel;
 }
diff --git a/dbaccess/source/ui/inc/dbadmin.hxx b/dbaccess/source/ui/inc/dbadmin.hxx
index ac56418ab71c..3d1457793640 100644
--- a/dbaccess/source/ui/inc/dbadmin.hxx
+++ b/dbaccess/source/ui/inc/dbadmin.hxx
@@ -29,12 +29,6 @@ namespace com::sun::star {
     namespace beans {
         class XPropertySet;
     }
-    namespace sdbc {
-        class XConnection;
-    }
-    namespace lang {
-        class XMultiServiceFactory;
-    }
 }
 
 namespace dbaui
diff --git a/dbaccess/source/ui/inc/dbwiz.hxx b/dbaccess/source/ui/inc/dbwiz.hxx
index 744c308a6822..985735ce3e0c 100644
--- a/dbaccess/source/ui/inc/dbwiz.hxx
+++ b/dbaccess/source/ui/inc/dbwiz.hxx
@@ -24,18 +24,6 @@
 #include <vcl/wizardmachine.hxx>
 #include <memory>
 
-namespace com::sun::star {
-    namespace beans {
-        class XPropertySet;
-    }
-    namespace sdbc {
-        class XConnection;
-    }
-    namespace lang {
-        class XMultiServiceFactory;
-    }
-}
-
 using vcl::WizardTypes::WizardState;
 
 namespace dbaccess
diff --git a/dbaccess/source/ui/inc/dbwizsetup.hxx b/dbaccess/source/ui/inc/dbwizsetup.hxx
index 50f463fac42a..351762b7d09c 100644
--- a/dbaccess/source/ui/inc/dbwizsetup.hxx
+++ b/dbaccess/source/ui/inc/dbwizsetup.hxx
@@ -29,12 +29,6 @@ namespace com::sun::star {
     namespace beans {
         class XPropertySet;
     }
-    namespace sdbc {
-        class XConnection;
-    }
-    namespace lang {
-        class XMultiServiceFactory;
-    }
 }
 
 using vcl::WizardTypes::WizardState;
diff --git a/dbaccess/source/ui/inc/paramdialog.hxx b/dbaccess/source/ui/inc/paramdialog.hxx
index 489a621e60b8..5c7044ebbd60 100644
--- a/dbaccess/source/ui/inc/paramdialog.hxx
+++ b/dbaccess/source/ui/inc/paramdialog.hxx
@@ -30,11 +30,6 @@
 #include <svx/ParseContext.hxx>
 #include <o3tl/typed_flags_set.hxx>
 
-namespace connectivity
-{
-    class OSQLParseNode;
-}
-
 enum class VisitFlags {
     NONE        = 0x00,
     Visited     = 0x01,
diff --git a/dbaccess/source/ui/inc/querycontroller.hxx b/dbaccess/source/ui/inc/querycontroller.hxx
index a2e334871692..d4347e47d58d 100644
--- a/dbaccess/source/ui/inc/querycontroller.hxx
+++ b/dbaccess/source/ui/inc/querycontroller.hxx
@@ -41,8 +41,6 @@ namespace comphelper
 
 namespace dbaui
 {
-    class OQueryContainerWindow;
-
     typedef ::comphelper::OPropertyContainer                            OQueryController_PBase;
     typedef ::comphelper::OPropertyArrayUsageHelper< OQueryController > OQueryController_PABase;
     class OQueryController  :public OJoinController
diff --git a/dbaccess/source/ui/inc/sbagrid.hxx b/dbaccess/source/ui/inc/sbagrid.hxx
index ae96bb291bbb..682c570c7093 100644
--- a/dbaccess/source/ui/inc/sbagrid.hxx
+++ b/dbaccess/source/ui/inc/sbagrid.hxx
@@ -36,12 +36,6 @@
 
 class SvNumberFormatter;
 
-namespace com::sun::star {
-    namespace lang {
-        class XMultiServiceFactory;
-    }
-}
-
 namespace dbaui
 {
     struct SbaURLCompare
@@ -49,7 +43,6 @@ namespace dbaui
         bool operator() (const css::util::URL& x, const css::util::URL& y) const { return x.Complete == y.Complete; }
     };
 
-    class SbaXStatusMultiplexer;
     class SbaXGridControl
                 :public FmXGridControl
                 ,public css::frame::XDispatch
diff --git a/dbaccess/source/ui/inc/sqlmessage.hxx b/dbaccess/source/ui/inc/sqlmessage.hxx
index 481732985d12..ab827c5dec23 100644
--- a/dbaccess/source/ui/inc/sqlmessage.hxx
+++ b/dbaccess/source/ui/inc/sqlmessage.hxx
@@ -23,16 +23,6 @@
 #include <vcl/weld.hxx>
 #include <memory>
 
-// some forwards
-namespace com::sun::star {
-    namespace sdb {
-        class SQLContext;
-    }
-    namespace sdbc {
-        class SQLException;
-    }
-}
-
 namespace dbaui
 {
 
diff --git a/dbaccess/source/ui/inc/unodatbr.hxx b/dbaccess/source/ui/inc/unodatbr.hxx
index 61905563f940..abdb75372539 100644
--- a/dbaccess/source/ui/inc/unodatbr.hxx
+++ b/dbaccess/source/ui/inc/unodatbr.hxx
@@ -47,7 +47,6 @@ namespace com::sun::star::container { class XNameContainer; }
 
 namespace dbaui
 {
-    struct DBTreeEditedEntry;
     struct DBTreeListUserData;
     class ImageProvider;
 
diff --git a/dbaccess/source/ui/querydesign/QueryDesignUndoAction.hxx b/dbaccess/source/ui/querydesign/QueryDesignUndoAction.hxx
index 8a87423930a7..c816ede08e06 100644
--- a/dbaccess/source/ui/querydesign/QueryDesignUndoAction.hxx
+++ b/dbaccess/source/ui/querydesign/QueryDesignUndoAction.hxx
@@ -25,7 +25,6 @@
 namespace dbaui
 {
     // OQueryDesignUndoAction - undo base class for actions in graphical query design (without field list)
-    class OJoinTableView;
     class OQueryDesignUndoAction : public OCommentUndoAction
     {
     protected:
diff --git a/dbaccess/source/ui/querydesign/QueryMoveTabWinUndoAct.hxx b/dbaccess/source/ui/querydesign/QueryMoveTabWinUndoAct.hxx
index e6b58956edc9..b11108f85c9e 100644
--- a/dbaccess/source/ui/querydesign/QueryMoveTabWinUndoAct.hxx
+++ b/dbaccess/source/ui/querydesign/QueryMoveTabWinUndoAct.hxx
@@ -28,7 +28,6 @@ namespace dbaui
 {
 
     // OQueryMoveTabWinUndoAct - Undo class for moving a TabWin
-    class OTableWindow;
     class OJoinMoveTabWinUndoAct final : public OQueryDesignUndoAction
     {
         Point           m_ptNextPosition;
diff --git a/dbaccess/source/ui/querydesign/QuerySizeTabWinUndoAct.hxx b/dbaccess/source/ui/querydesign/QuerySizeTabWinUndoAct.hxx
index de244ccb5396..a8c62bfa1350 100644
--- a/dbaccess/source/ui/querydesign/QuerySizeTabWinUndoAct.hxx
+++ b/dbaccess/source/ui/querydesign/QuerySizeTabWinUndoAct.hxx
@@ -26,7 +26,6 @@ namespace dbaui
 {
 
     // OQuerySizeTabWinUndoAct - undo class to change size of TabWins
-    class OTableWindow;
     class OJoinSizeTabWinUndoAct final : public OQueryDesignUndoAction
     {
         Point           m_ptNextPosition;
diff --git a/dbaccess/source/ui/querydesign/QueryTabConnUndoAction.hxx b/dbaccess/source/ui/querydesign/QueryTabConnUndoAction.hxx
index 21077074ee84..2905572adaed 100644
--- a/dbaccess/source/ui/querydesign/QueryTabConnUndoAction.hxx
+++ b/dbaccess/source/ui/querydesign/QueryTabConnUndoAction.hxx
@@ -24,7 +24,6 @@
 
 namespace dbaui
 {
-    class OQueryTableConnection;
     class OQueryTableView;
     class OQueryTabConnUndoAction : public OQueryDesignUndoAction
     {
diff --git a/dbaccess/source/ui/querydesign/QueryTabWinUndoAct.hxx b/dbaccess/source/ui/querydesign/QueryTabWinUndoAct.hxx
index 9b433054288e..540f332757eb 100644
--- a/dbaccess/source/ui/querydesign/QueryTabWinUndoAct.hxx
+++ b/dbaccess/source/ui/querydesign/QueryTabWinUndoAct.hxx
@@ -27,8 +27,6 @@ namespace dbaui
 {
     // OQueryTabWinUndoAct - undo base class for all which is concerned with insert/remove TabWins
 
-    class OQueryTableWindow;
-    class OTableConnection;
     class OQueryTableView;
     class OQueryTabWinUndoAct : public OQueryDesignUndoAction
     {
diff --git a/dbaccess/source/ui/tabledesign/TEditControl.hxx b/dbaccess/source/ui/tabledesign/TEditControl.hxx
index 7b1d467815db..26faf0524d10 100644
--- a/dbaccess/source/ui/tabledesign/TEditControl.hxx
+++ b/dbaccess/source/ui/tabledesign/TEditControl.hxx
@@ -24,7 +24,6 @@
 #include <TableRow.hxx>
 #include <TypeInfo.hxx>
 
-class Edit;
 class SfxUndoManager;
 namespace dbaui
 {
diff --git a/dbaccess/source/ui/uno/ColumnModel.hxx b/dbaccess/source/ui/uno/ColumnModel.hxx
index 400d03652d1a..ea31881ff09a 100644
--- a/dbaccess/source/ui/uno/ColumnModel.hxx
+++ b/dbaccess/source/ui/uno/ColumnModel.hxx
@@ -40,8 +40,6 @@ typedef ::cppu::WeakAggComponentImplHelper4 <   css::awt::XControlModel
                                         ,   css::io::XPersistObject
                                         >   OColumnControlModel_BASE;
 
-class OColumnControlModel;
-
 class OColumnControlModel :  public ::comphelper::OMutexAndBroadcastHelper
                             ,public ::comphelper::OPropertyContainer
                             ,public ::comphelper::OPropertyArrayUsageHelper< OColumnControlModel >