diff --git a/doc/index.docbook b/doc/index.docbook
index 9dbc4821d..26fe49551 100644
--- a/doc/index.docbook
+++ b/doc/index.docbook
@@ -1552,25 +1552,6 @@ Context menu actions like Rename Bookmarks etc.)
 						</para>
 					</listitem>
 				</varlistentry>
-				<varlistentry>
-					<term>
-						<menuchoice>
-							<guimenu>View</guimenu>
-							<guisubmenu>Page Size</guisubmenu>
-						</menuchoice>
-					</term>
-					<listitem>
-						<para>
-							<action>Changes the size of the pages</action> of the document.
-						</para>
-						<note>
-							<para>
-								This submenu is active only if the current type of document
-								supports different page sizes.
-							</para>
-						</note>
-					</listitem>
-				</varlistentry>
 				<varlistentry>
 					<term>
 						<menuchoice>
diff --git a/part-viewermode.rc b/part-viewermode.rc
index f281baa4e..862679a30 100644
--- a/part-viewermode.rc
+++ b/part-viewermode.rc
@@ -1,5 +1,5 @@
 <!DOCTYPE kpartgui SYSTEM "kpartgui.dtd">
-<kpartgui name="okular_part_viewermode" version="5">
+<kpartgui name="okular_part_viewermode" version="6">
 
 <MenuBar>
   <Menu name="file"><text>&amp;File</text>
@@ -33,7 +33,6 @@
     <Action name="view_orientation_rotate_cw" group="viewer_menu_merge"/>
     <Action name="view_orientation_original" group="viewer_menu_merge"/>
   </Menu>
-  <Action name="view_pagesizes" group="viewer_menu_merge"/>
   <Action name="view_trim" group="viewer_menu_merge"/>
   <Separator group="viewer_menu_merge"/>
   <Action name="go_previous" group="viewer_menu_merge"/>
diff --git a/part.cpp b/part.cpp
index 0ba257899..b79e6056b 100644
--- a/part.cpp
+++ b/part.cpp
@@ -641,7 +641,7 @@ m_cliPresentation(false), m_cliPrint(false), m_cliPrintAndExit(false), m_embedMo
     updateViewActions();
 
     // also update the state of the actions in the page view
-    m_pageView->updateActionState( false, false, false );
+    m_pageView->updateActionState( false, false );
 
     if ( m_embedMode == NativeShellMode )
         m_sidebar->setAutoFillBackground( false );
diff --git a/part.rc b/part.rc
index 48649b522..f71168ca8 100644
--- a/part.rc
+++ b/part.rc
@@ -1,5 +1,5 @@
 <!DOCTYPE kpartgui SYSTEM "kpartgui.dtd">
-<kpartgui name="okular_part" version="43">
+<kpartgui name="okular_part" version="44">
 <MenuBar>
   <Menu name="file"><text>&amp;File</text>
     <Action name="get_new_stuff" group="file_open"/>
@@ -45,7 +45,6 @@
       <Action name="view_orientation_rotate_cw"/>
       <Action name="view_orientation_original"/>
     </Menu>
-    <Action name="view_pagesizes"/>
     <Action name="view_trim_mode"/>
     <Separator/>
     <Action name="view_toggle_forms"/>
diff --git a/ui/pageview.cpp b/ui/pageview.cpp
index 50f8073ec..7318e9603 100644
--- a/ui/pageview.cpp
+++ b/ui/pageview.cpp
@@ -215,7 +215,6 @@ public:
     QAction * aRotateClockwise;
     QAction * aRotateCounterClockwise;
     QAction * aRotateOriginal;
-    KSelectAction * aPageSizes;
     KActionMenu * aTrimMode;
     KToggleAction * aTrimMargins;
     QAction * aMouseNormal;
@@ -368,7 +367,6 @@ PageView::PageView( QWidget *parent, Okular::Document *document )
     d->aRotateClockwise = nullptr;
     d->aRotateCounterClockwise = nullptr;
     d->aRotateOriginal = nullptr;
-    d->aPageSizes = nullptr;
     d->aTrimMode = nullptr;
     d->aTrimMargins = nullptr;
     d->aTrimToSelection = nullptr;
@@ -389,7 +387,6 @@ PageView::PageView( QWidget *parent, Okular::Document *document )
     d->aSpeakStop = nullptr;
     d->aSpeakPauseResume = nullptr;
     d->actionCollection = nullptr;
-    d->aPageSizes=nullptr;
     d->setting_viewCols = Okular::Settings::viewColumns();
     d->rtl_Mode = Okular::Settings::rtlReadingDirection();
     d->mouseModeActionGroup = nullptr;
@@ -567,13 +564,6 @@ void PageView::setupViewerActions( KActionCollection * ac )
     d->aRotateOriginal->setEnabled( false );
     connect( d->aRotateOriginal, &QAction::triggered, this, &PageView::slotRotateOriginal );
 
-    d->aPageSizes = new KSelectAction(i18n("&Page Size"), this);
-    ac->addAction(QStringLiteral("view_pagesizes"), d->aPageSizes);
-    d->aPageSizes->setEnabled( false );
-
-    connect( d->aPageSizes , QOverload<int>::of(&KSelectAction::triggered),
-         this, &PageView::slotPageSizes );
-
     // Trim View actions
     d->aTrimMode = new KActionMenu(i18n( "&Trim View" ), this );
     d->aTrimMode->setDelayed( false );
@@ -1221,7 +1211,7 @@ void PageView::notifySetup( const QVector< Okular::Page * > & pageSet, int setup
             QString(),
             PageViewMessage::Info, 4000 );
 
-    updateActionState( haspages, documentChanged, hasformwidgets );
+    updateActionState( haspages, hasformwidgets );
 
     // We need to assign it to a different list otherwise slotAnnotationWindowDestroyed
     // will bite us and clear d->m_annowindows
@@ -1232,25 +1222,8 @@ void PageView::notifySetup( const QVector< Okular::Page * > & pageSet, int setup
     selectionClear();
 }
 
-void PageView::updateActionState( bool haspages, bool documentChanged, bool hasformwidgets )
+void PageView::updateActionState( bool haspages, bool hasformwidgets )
 {
-    if ( d->aPageSizes )
-    { // may be null if dummy mode is on
-        bool pageSizes = d->document->supportsPageSizes();
-        d->aPageSizes->setEnabled( pageSizes );
-        // set the new page sizes:
-        // - if the generator supports them
-        // - if the document changed
-        if ( pageSizes && documentChanged )
-        {
-            QStringList items;
-            const QList<Okular::PageSize> sizes = d->document->pageSizes();
-            for ( const Okular::PageSize &p : sizes )
-                items.append( p.name() );
-            d->aPageSizes->setItems( items );
-        }
-    }
-
     if ( d->aTrimMargins )
         d->aTrimMargins->setEnabled( haspages );
 
@@ -5436,14 +5409,6 @@ void PageView::slotRotateOriginal()
     d->document->setRotation( 0 );
 }
 
-void PageView::slotPageSizes( int newsize )
-{
-    if ( newsize < 0 || newsize >= d->document->pageSizes().count() )
-        return;
-
-    d->document->setPageSize( d->document->pageSizes().at( newsize ) );
-}
-
 // Enforce mutual-exclusion between trim modes
 // Each mode is uniquely identified by a single value
 // From Okular::Settings::EnumTrimMode
diff --git a/ui/pageview.h b/ui/pageview.h
index 614735140..1cfeb043c 100644
--- a/ui/pageview.h
+++ b/ui/pageview.h
@@ -70,7 +70,7 @@ Q_OBJECT
         void setupBaseActions( KActionCollection * ac );
         void setupViewerActions( KActionCollection * ac );
         void setupActions( KActionCollection * ac );
-        void updateActionState( bool docHasPages, bool documentChanged, bool docHasFormWidgets );
+        void updateActionState( bool docHasPages, bool docHasFormWidgets );
 
         // misc methods (from RMB menu/children)
         bool canFitPageWidth() const;
@@ -267,7 +267,6 @@ Q_OBJECT
         void slotRotateClockwise();
         void slotRotateCounterClockwise();
         void slotRotateOriginal();
-        void slotPageSizes( int );
         void slotTrimMarginsToggled( bool );
         void slotTrimToSelectionToggled( bool );
         void slotToggleForms();