Compare two lists and delete duplicate items

Sub DelDups_TwoLists()
Dim iListCount As Integer
Dim iCtr As Integer

' Turn off screen updating to speed up macro.
Application.ScreenUpdating = False

' Get count of records to search through (list that will be deleted).
iListCount = Sheets("sheet2").Range("A1:A100").Rows.Count

' Loop through the "master" list.
For Each x In Sheets("Sheet1").Range("A1:A10")
   ' Loop through all records in the second list.
   For iCtr = 1 To iListCount
      ' Do comparison of next record.
      ' To specify a different column, change 1 to the column number.
      If x.Value = Sheets("Sheet2").Cells(iCtr, 1).Value Then
         ' If match is true then delete row.
         Sheets("Sheet2").Cells(iCtr, 1).Delete xlShiftUp
         ' Increment counter to account for deleted row.
         iCtr = iCtr + 1
      End If
   Next iCtr
Next
Application.ScreenUpdating = True
MsgBox "Done!"
End Sub