diff --git a/src/View/BoundaryCondition/Edit/Table.py b/src/View/BoundaryCondition/Edit/Table.py
index 75e68131..6f5c7e1e 100644
--- a/src/View/BoundaryCondition/Edit/Table.py
+++ b/src/View/BoundaryCondition/Edit/Table.py
@@ -44,7 +44,6 @@ from Model.BoundaryCondition.BoundaryConditionTypes import (
 from View.BoundaryCondition.Edit.UndoCommand import (
     SetDataCommand, AddCommand, DelCommand,
     SortCommand, MoveCommand, PasteCommand,
-    DuplicateCommand,
 )
 
 _translate = QCoreApplication.translate
diff --git a/src/View/BoundaryCondition/Edit/UndoCommand.py b/src/View/BoundaryCondition/Edit/UndoCommand.py
index 14c2b982..8aa07641 100644
--- a/src/View/BoundaryCondition/Edit/UndoCommand.py
+++ b/src/View/BoundaryCondition/Edit/UndoCommand.py
@@ -174,25 +174,10 @@ class PasteCommand(QUndoCommand):
         self._bcs.reverse()
 
     def undo(self):
-        self._data.delete(self._bcs)
+        self._data.delete_i(
+            range(self._row, self._row + len(self._bcs))
+        )
 
     def redo(self):
         for bc in self._bcs:
             self._data.insert(self._row, bc)
-
-
-class DuplicateCommand(QUndoCommand):
-    def __init__(self, data, rows, bc):
-        QUndoCommand.__init__(self)
-
-        self._data = data
-        self._rows = rows
-        self._bc = deepcopy(bc)
-        self._bc.reverse()
-
-    def undo(self):
-        self._data.delete(self._bc)
-
-    def redo(self):
-        for bc in self._bcs:
-            self._data.insert(self._rows[0], bc)
diff --git a/src/View/BoundaryCondition/Table.py b/src/View/BoundaryCondition/Table.py
index 0115b9e9..024dc288 100644
--- a/src/View/BoundaryCondition/Table.py
+++ b/src/View/BoundaryCondition/Table.py
@@ -44,7 +44,7 @@ from View.Tools.PamhyrTable import PamhyrTableModel
 from View.BoundaryCondition.UndoCommand import (
     SetNameCommand, SetNodeCommand, SetTypeCommand,
     AddCommand, DelCommand, SortCommand,
-    MoveCommand, PasteCommand, DuplicateCommand,
+    MoveCommand, PasteCommand,
 )
 from View.BoundaryCondition.translate import BC_types
 
diff --git a/src/View/BoundaryCondition/UndoCommand.py b/src/View/BoundaryCondition/UndoCommand.py
index 356d854b..64bfebbe 100644
--- a/src/View/BoundaryCondition/UndoCommand.py
+++ b/src/View/BoundaryCondition/UndoCommand.py
@@ -187,26 +187,11 @@ class PasteCommand(QUndoCommand):
         self._bc.reverse()
 
     def undo(self):
-        self._bcs.delete(self._tab, self._bc)
+        self._bcs.delete_i(
+            self._tab,
+            range(self._row, self._row + len(self._bc))
+        )
 
     def redo(self):
         for bc in self._bc:
             self._bcs.insert(self._tab, self._row, bc)
-
-
-class DuplicateCommand(QUndoCommand):
-    def __init__(self, bcs, tab, rows, bc):
-        QUndoCommand.__init__(self)
-
-        self._bcs = bcs
-        self._tab = tab
-        self._rows = rows
-        self._bc = deepcopy(bc)
-        self._bc.reverse()
-
-    def undo(self):
-        self._bcs.delete(self._tab, self._bc)
-
-    def redo(self):
-        for bc in self._bcs:
-            self._bcs.insert(self._tab, self._rows[0], bc)
diff --git a/src/View/BoundaryCondition/Window.py b/src/View/BoundaryCondition/Window.py
index 4489a509..a007b7a0 100644
--- a/src/View/BoundaryCondition/Window.py
+++ b/src/View/BoundaryCondition/Window.py
@@ -47,7 +47,7 @@ from Model.BoundaryCondition.BoundaryConditionTypes import (
 from View.BoundaryCondition.UndoCommand import (
     SetNameCommand, SetNodeCommand, SetTypeCommand,
     AddCommand, DelCommand, SortCommand,
-    MoveCommand, PasteCommand, DuplicateCommand,
+    MoveCommand, PasteCommand,
 )
 
 from View.BoundaryCondition.Table import (