diff --git a/mvc/models.py b/mvc/models.py
index 170eb52..253a00a 100644
--- a/mvc/models.py
+++ b/mvc/models.py
@@ -113,7 +113,7 @@ class VimModel:
                 if self.currentCol + 1 < len(self.displayBuffer[self.currentLine]):
                     del self.displayBuffer[self.currentLine][self.currentCol + 1]
             case "yy": # копирует текущую строку
-                self.exchangeBuffer = self.displayBuffer[self.currentLine].copy()
+                self.exchangeBuffer = self.displayBuffer[self.currentLine]
             case "yw":  # Копирует слово под курсором
                 start_index, end_index = self.WordUnderCursor()
                 line = self.displayBuffer[self.currentLine]
@@ -126,7 +126,7 @@ class VimModel:
                 self.displayBuffer[self.currentLine] = line[:start_index] + line[end_index:]
                 self.currentCol = start_index
             case "dd": # Вырезает текущую строку
-                self.exchangeBuffer = self.displayBuffer[self.currentLine].copy()
+                self.exchangeBuffer = self.displayBuffer[self.currentLine]
                 self.displayBuffer[self.currentLine] = []
                 self.currentCol = 0
             case "p": # Вставить после курсора