diff --git a/mobula/layers/ContrastiveLoss.py b/mobula/layers/ContrastiveLoss.py
index 9a09a00..2dc49f8 100644
--- a/mobula/layers/ContrastiveLoss.py
+++ b/mobula/layers/ContrastiveLoss.py
@@ -1,4 +1,3 @@
-import numpy as np
 from .LossLayer import *
 import numpy as np
 
diff --git a/mobula/layers/CrossEntropy.py b/mobula/layers/CrossEntropy.py
index 3cd15a0..7a6dd78 100644
--- a/mobula/layers/CrossEntropy.py
+++ b/mobula/layers/CrossEntropy.py
@@ -1,4 +1,3 @@
-import numpy as np
 from .LossLayer import *
 import numpy as np
 
diff --git a/mobula/layers/MSE.py b/mobula/layers/MSE.py
index fe2b24e..3714d93 100644
--- a/mobula/layers/MSE.py
+++ b/mobula/layers/MSE.py
@@ -1,4 +1,3 @@
-import numpy as np
 from .LossLayer import *
 import numpy as np
 
diff --git a/mobula/layers/Tanh.py b/mobula/layers/Tanh.py
index 06e0c53..9292abc 100644
--- a/mobula/layers/Tanh.py
+++ b/mobula/layers/Tanh.py
@@ -1,4 +1,3 @@
-import numpy as np
 from .Layer import *
 import numpy as np