diff --git a/ClosedXML/Excel/IXLWorkbook.cs b/ClosedXML/Excel/IXLWorkbook.cs
index 5e11ec8..e87104b 100644
--- a/ClosedXML/Excel/IXLWorkbook.cs
+++ b/ClosedXML/Excel/IXLWorkbook.cs
@@ -12,7 +12,7 @@
         ///   Gets an object to manipulate the worksheets.
         /// </summary>
         IXLWorksheets Worksheets { get; }
-        
+
         /// <summary>
         ///   Gets an object to manipulate this workbook's named ranges.
         /// </summary>
@@ -93,7 +93,7 @@
         Boolean DefaultShowRowColHeaders { get; }
 
         Boolean DefaultShowRuler { get; }
-        
+
         Boolean DefaultShowWhiteSpace { get; }
 
         Boolean DefaultShowZeros { get; }
@@ -217,4 +217,4 @@
 
         void Unprotect(string workbookPassword);
     }
-}
+}
\ No newline at end of file
diff --git a/ClosedXML/Excel/XLWorkbook.cs b/ClosedXML/Excel/XLWorkbook.cs
index 485e27f..27ac919 100644
--- a/ClosedXML/Excel/XLWorkbook.cs
+++ b/ClosedXML/Excel/XLWorkbook.cs
@@ -41,7 +41,7 @@
         Simple = 1,
     }
 
-    public partial class XLWorkbook: IXLWorkbook, IDisposable
+    public partial class XLWorkbook: IXLWorkbook
     {
         #region Static