diff --git a/deepxde/nn/paddle/fnn.py b/deepxde/nn/paddle/fnn.py
index 403a47f50..b28837b1d 100644
--- a/deepxde/nn/paddle/fnn.py
+++ b/deepxde/nn/paddle/fnn.py
@@ -29,9 +29,6 @@ def __init__(
         initializer = initializers.get(kernel_initializer)
         initializer_zero = initializers.get("zeros")
         self.regularizer = regularizers.get(regularization)
-        self.regularizer_value = (
-            regularization[1:] if regularization is not None else None
-        )
         self.dropout_rate = dropout_rate
 
         self.linears = paddle.nn.LayerList()
diff --git a/deepxde/nn/paddle/mfnn.py b/deepxde/nn/paddle/mfnn.py
index ef0ec9cf5..8aaf0eae7 100644
--- a/deepxde/nn/paddle/mfnn.py
+++ b/deepxde/nn/paddle/mfnn.py
@@ -33,9 +33,6 @@ def __init__(
         self.trainable_hi = trainable_high_fidelity
         self.residue = residue
         self.regularizer = regularizers.get(regularization)
-        self.regularizer_value = (
-            regularization[1:] if regularization is not None else None
-        )
 
         # low fidelity
         self.linears_lo = self.init_dense(self.layer_size_lo, self.trainable_lo)