diff --git a/python/PyQt6/core/auto_generated/dxf/qgsdxfexport.sip.in b/python/PyQt6/core/auto_generated/dxf/qgsdxfexport.sip.in
index 50ef0d003651..98c957ce874b 100644
--- a/python/PyQt6/core/auto_generated/dxf/qgsdxfexport.sip.in
+++ b/python/PyQt6/core/auto_generated/dxf/qgsdxfexport.sip.in
@@ -27,7 +27,7 @@ Exports QGIS layers to the DXF format.
 
     struct DxfLayer
     {
-        DxfLayer( QgsVectorLayer *vl, int layerOutputAttributeIndex = -1, bool buildDDBlocks = false, int ddBlocksMaxNumberOfClasses = -1 );
+        DxfLayer( QgsVectorLayer *vl, int layerOutputAttributeIndex = -1, bool buildDDBlocks = true, int ddBlocksMaxNumberOfClasses = -1 );
 
         QgsVectorLayer *layer() const;
 %Docstring
diff --git a/python/core/auto_generated/dxf/qgsdxfexport.sip.in b/python/core/auto_generated/dxf/qgsdxfexport.sip.in
index 6b66baf13d7e..67ede91a94d6 100644
--- a/python/core/auto_generated/dxf/qgsdxfexport.sip.in
+++ b/python/core/auto_generated/dxf/qgsdxfexport.sip.in
@@ -27,7 +27,7 @@ Exports QGIS layers to the DXF format.
 
     struct DxfLayer
     {
-        DxfLayer( QgsVectorLayer *vl, int layerOutputAttributeIndex = -1, bool buildDDBlocks = false, int ddBlocksMaxNumberOfClasses = -1 );
+        DxfLayer( QgsVectorLayer *vl, int layerOutputAttributeIndex = -1, bool buildDDBlocks = true, int ddBlocksMaxNumberOfClasses = -1 );
 
         QgsVectorLayer *layer() const;
 %Docstring
diff --git a/src/app/qgsdxfexportdialog.cpp b/src/app/qgsdxfexportdialog.cpp
index 6aaa2177c31a..9db2a40c3c58 100644
--- a/src/app/qgsdxfexportdialog.cpp
+++ b/src/app/qgsdxfexportdialog.cpp
@@ -150,7 +150,7 @@ QgsVectorLayerAndAttributeModel::QgsVectorLayerAndAttributeModel( QgsLayerTree *
     const QgsVectorLayer *vLayer = qobject_cast< const QgsVectorLayer *>( QgsProject::instance()->mapLayer( id ) );
     if ( vLayer )
     {
-      mCreateDDBlockInfo[vLayer] = QgsDxfExportDialog::settingsDxfEnableDDBlocks->value();
+      mCreateDDBlockInfo[vLayer] = true;
       mDDBlocksMaxNumberOfClasses[vLayer] = -1;
     }
   }
@@ -287,7 +287,7 @@ QVariant QgsVectorLayerAndAttributeModel::data( const QModelIndex &idx, int role
       return QVariant();
     }
 
-    bool checked = mCreateDDBlockInfo.contains( vl ) ? mCreateDDBlockInfo[vl] : false;
+    bool checked = mCreateDDBlockInfo.contains( vl ) ? mCreateDDBlockInfo[vl] : true;
     if ( role == Qt::CheckStateRole )
     {
       return checked ? Qt::Checked : Qt::Unchecked;
@@ -423,7 +423,7 @@ QList< QgsDxfExport::DxfLayer > QgsVectorLayerAndAttributeModel::layers() const
         if ( !layerIdx.contains( vl->id() ) )
         {
           layerIdx.insert( vl->id(), layers.size() );
-          layers << QgsDxfExport::DxfLayer( vl, mAttributeIdx.value( vl, -1 ), mCreateDDBlockInfo.value( vl, false ), mDDBlocksMaxNumberOfClasses.value( vl,  -1 ) );
+          layers << QgsDxfExport::DxfLayer( vl, mAttributeIdx.value( vl, -1 ), mCreateDDBlockInfo.value( vl, true ), mDDBlocksMaxNumberOfClasses.value( vl,  -1 ) );
         }
       }
     }
@@ -434,7 +434,7 @@ QList< QgsDxfExport::DxfLayer > QgsVectorLayerAndAttributeModel::layers() const
       if ( !layerIdx.contains( vl->id() ) )
       {
         layerIdx.insert( vl->id(), layers.size() );
-        layers << QgsDxfExport::DxfLayer( vl, mAttributeIdx.value( vl, -1 ), mCreateDDBlockInfo.value( vl, false ), mDDBlocksMaxNumberOfClasses.value( vl,  -1 ) );
+        layers << QgsDxfExport::DxfLayer( vl, mAttributeIdx.value( vl, -1 ), mCreateDDBlockInfo.value( vl, true ), mDDBlocksMaxNumberOfClasses.value( vl,  -1 ) );
       }
     }
   }
diff --git a/src/app/qgsdxfexportdialog.h b/src/app/qgsdxfexportdialog.h
index a6fd724ddda0..d58d0059b460 100644
--- a/src/app/qgsdxfexportdialog.h
+++ b/src/app/qgsdxfexportdialog.h
@@ -103,7 +103,6 @@ class QgsDxfExportDialog : public QDialog, private Ui::QgsDxfExportDialogBase
     Q_OBJECT
   public:
     static inline QgsSettingsTreeNode *sTreeAppDdxf = QgsSettingsTree::sTreeApp->createChildNode( QStringLiteral( "dxf" ) );
-    static const inline QgsSettingsEntryBool *settingsDxfEnableDDBlocks = new QgsSettingsEntryBool( QStringLiteral( "enable-datadefined-blocks" ), sTreeAppDdxf,  false );
     static const inline QgsSettingsEntryString *settingsDxfLastSettingsDir = new QgsSettingsEntryString( QStringLiteral( "last-settings-dir" ), sTreeAppDdxf,  QDir::homePath() );
 
     QgsDxfExportDialog( QWidget *parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags() );
diff --git a/src/core/dxf/qgsdxfexport.h b/src/core/dxf/qgsdxfexport.h
index 0589e8cf726c..110ef2f7e1b9 100644
--- a/src/core/dxf/qgsdxfexport.h
+++ b/src/core/dxf/qgsdxfexport.h
@@ -73,7 +73,7 @@ class CORE_EXPORT QgsDxfExport : public QgsLabelSink
      */
     struct CORE_EXPORT DxfLayer
     {
-        DxfLayer( QgsVectorLayer *vl, int layerOutputAttributeIndex = -1, bool buildDDBlocks = false, int ddBlocksMaxNumberOfClasses = -1 )
+        DxfLayer( QgsVectorLayer *vl, int layerOutputAttributeIndex = -1, bool buildDDBlocks = true, int ddBlocksMaxNumberOfClasses = -1 )
           : mLayer( vl )
           , mLayerOutputAttributeIndex( layerOutputAttributeIndex )
           , mBuildDDBlocks( buildDDBlocks )