diff --git a/pylops/signalprocessing/_fourierradon2d_numba.py b/pylops/signalprocessing/_fourierradon2d_numba.py
index 4657cd92..8f09724e 100755
--- a/pylops/signalprocessing/_fourierradon2d_numba.py
+++ b/pylops/signalprocessing/_fourierradon2d_numba.py
@@ -2,7 +2,6 @@
 from cmath import exp
 from math import pi
 
-import numpy as np
 from numba import jit, prange
 
 # detect whether to use parallel or not
diff --git a/pylops/signalprocessing/_fourierradon3d_numba.py b/pylops/signalprocessing/_fourierradon3d_numba.py
index 1ba1ef3a..e217fe95 100755
--- a/pylops/signalprocessing/_fourierradon3d_numba.py
+++ b/pylops/signalprocessing/_fourierradon3d_numba.py
@@ -2,7 +2,6 @@
 from cmath import exp
 from math import pi
 
-import numpy as np
 from numba import jit, prange
 
 # detect whether to use parallel or not