diff --git a/Controls.DocumentViewer/DocumentViewer.Designer.vb b/Controls.DocumentViewer/DocumentViewer.Designer.vb
index 82974584..3015e767 100644
--- a/Controls.DocumentViewer/DocumentViewer.Designer.vb
+++ b/Controls.DocumentViewer/DocumentViewer.Designer.vb
@@ -108,7 +108,6 @@ Partial Class DocumentViewer
         Me.GdViewer.PdfEnableFileLinks = True
         Me.GdViewer.PdfEnableLinks = True
         Me.GdViewer.PdfIncreaseTextContrast = False
-        Me.GdViewer.PdfRasterizerEngine = GdPicture14.PdfRasterizerEngine.PdfRasterizerEngineHybrid
         Me.GdViewer.PdfShowDialogForPassword = True
         Me.GdViewer.PdfShowOpenFileDialogForDecryption = True
         Me.GdViewer.PdfVerifyDigitalCertificates = False
diff --git a/Controls.DocumentViewer/frmViewerSettings.Designer.vb b/Controls.DocumentViewer/frmViewerSettings.Designer.vb
index a7312684..37e0efc6 100644
--- a/Controls.DocumentViewer/frmViewerSettings.Designer.vb
+++ b/Controls.DocumentViewer/frmViewerSettings.Designer.vb
@@ -23,8 +23,6 @@ Partial Class frmViewerSettings
     <System.Diagnostics.DebuggerStepThrough()> _
     Private Sub InitializeComponent()
         Me.GroupBox4 = New System.Windows.Forms.GroupBox()
-        Me.Label7 = New System.Windows.Forms.Label()
-        Me.cbPDFRenderingEngine = New System.Windows.Forms.ComboBox()
         Me.chkPDFVerifyDigitalCertificates = New System.Windows.Forms.CheckBox()
         Me.chkPDFIncreaseTextContrast = New System.Windows.Forms.CheckBox()
         Me.chkPDFEnableLinks = New System.Windows.Forms.CheckBox()
@@ -65,8 +63,6 @@ Partial Class frmViewerSettings
         '
         'GroupBox4
         '
-        Me.GroupBox4.Controls.Add(Me.Label7)
-        Me.GroupBox4.Controls.Add(Me.cbPDFRenderingEngine)
         Me.GroupBox4.Controls.Add(Me.chkPDFVerifyDigitalCertificates)
         Me.GroupBox4.Controls.Add(Me.chkPDFIncreaseTextContrast)
         Me.GroupBox4.Controls.Add(Me.chkPDFEnableLinks)
@@ -79,29 +75,11 @@ Partial Class frmViewerSettings
         Me.GroupBox4.TabStop = False
         Me.GroupBox4.Text = "PDF viewing options"
         '
-        'Label7
-        '
-        Me.Label7.AutoSize = True
-        Me.Label7.Location = New System.Drawing.Point(8, 122)
-        Me.Label7.Name = "Label7"
-        Me.Label7.Size = New System.Drawing.Size(108, 13)
-        Me.Label7.TabIndex = 6
-        Me.Label7.Text = "PDF rasterizer engine"
-        '
-        'cbPDFRenderingEngine
-        '
-        Me.cbPDFRenderingEngine.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList
-        Me.cbPDFRenderingEngine.FormattingEnabled = True
-        Me.cbPDFRenderingEngine.Location = New System.Drawing.Point(122, 118)
-        Me.cbPDFRenderingEngine.Name = "cbPDFRenderingEngine"
-        Me.cbPDFRenderingEngine.Size = New System.Drawing.Size(121, 21)
-        Me.cbPDFRenderingEngine.TabIndex = 19
-        '
         'chkPDFVerifyDigitalCertificates
         '
         Me.chkPDFVerifyDigitalCertificates.AutoSize = True
         Me.chkPDFVerifyDigitalCertificates.CheckAlign = System.Drawing.ContentAlignment.MiddleRight
-        Me.chkPDFVerifyDigitalCertificates.Location = New System.Drawing.Point(6, 146)
+        Me.chkPDFVerifyDigitalCertificates.Location = New System.Drawing.Point(6, 119)
         Me.chkPDFVerifyDigitalCertificates.Name = "chkPDFVerifyDigitalCertificates"
         Me.chkPDFVerifyDigitalCertificates.Size = New System.Drawing.Size(136, 17)
         Me.chkPDFVerifyDigitalCertificates.TabIndex = 20
@@ -440,8 +418,6 @@ Partial Class frmViewerSettings
     End Sub
 
     Friend WithEvents GroupBox4 As GroupBox
-    Friend WithEvents Label7 As Label
-    Friend WithEvents cbPDFRenderingEngine As ComboBox
     Friend WithEvents chkPDFVerifyDigitalCertificates As CheckBox
     Friend WithEvents chkPDFIncreaseTextContrast As CheckBox
     Friend WithEvents chkPDFEnableLinks As CheckBox
diff --git a/Controls.DocumentViewer/frmViewerSettings.vb b/Controls.DocumentViewer/frmViewerSettings.vb
index e796d7c0..a7232461 100644
--- a/Controls.DocumentViewer/frmViewerSettings.vb
+++ b/Controls.DocumentViewer/frmViewerSettings.vb
@@ -42,11 +42,6 @@ Public Class frmViewerSettings
         {DisplayQuality.DisplayQualityBicubicHQ, "Bicubic HQ"},
         {DisplayQuality.DisplayQualityAutomatic, "Automatic"}
     }
-    Private ReadOnly _renderingEngines As New Dictionary(Of PdfRasterizerEngine, String) From {
-        {PdfRasterizerEngine.PdfRasterizerEngineGdiplus, "GDI+"},
-        {PdfRasterizerEngine.PdfRasterizerEngineWPF, "WPF"},
-        {PdfRasterizerEngine.PdfRasterizerEngineHybrid, "Hybrid"}
-    }
     Private ReadOnly _displayPageModes As New Dictionary(Of PageDisplayMode, String) From {
         {PageDisplayMode.MultiplePagesView, "Multiple pages"},
         {PageDisplayMode.SinglePageView, "Single page"}
@@ -70,9 +65,6 @@ Public Class frmViewerSettings
         For Each item In _displayQualities
             cbDisplayQuality.Items.Add(item.Value)
         Next
-        For Each item In _renderingEngines
-            cbPDFRenderingEngine.Items.Add(item.Value)
-        Next
         For Each item In _displayPageModes
             cbPageDisplayMode.Items.Add(item.Value)
         Next
@@ -98,7 +90,6 @@ Public Class frmViewerSettings
         chkPDFEnableFileLinks.Checked = _owner.PdfEnableFileLinks
         chkPDFEnableLinks.Checked = _owner.PdfEnableLinks
         chkPDFIncreaseTextContrast.Checked = _owner.PdfIncreaseTextContrast
-        cbPDFRenderingEngine.SelectedItem = _renderingEngines(_owner.PdfRasterizerEngine)
         chkPDFVerifyDigitalCertificates.Checked = _owner.PdfVerifyDigitalCertificates
     End Sub
 
@@ -106,8 +97,4 @@ Public Class frmViewerSettings
 
     End Sub
 
-    Private Sub btnApply_Click(sender As Object, e As EventArgs) Handles btnApply.Click
-
-    End Sub
-
 End Class
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