diff --git a/DM.py b/DM.py
index 4802e4e..98ed1c9 100755
--- a/DM.py
+++ b/DM.py
@@ -165,7 +165,6 @@ def pca(self, ratio=0.99):
         pca = PCA(n_components=n_comp)
         pca.fit(self.X_train)
 
-        self.X = pca.transform(self.X)
         X_train = pca.transform(self.X_train)
         X_test = pca.transform(self.X_test)