diff --git a/models/pen.py b/models/pen.py
index 44932ae..46f552c 100644
--- a/models/pen.py
+++ b/models/pen.py
@@ -11,6 +11,5 @@ class Pen(Base):
     color = Column(String, nullable=False)
     brand = Column(String, nullable=False)
     price = Column(Integer, nullable=False)
-    stock = Column(Integer, nullable=False)
     created_at = Column(DateTime, default=func.now())
     updated_at = Column(DateTime, default=func.now(), onupdate=func.now())
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