diff --git a/tests/execution/test_convolution.py b/tests/execution/test_convolution.py
index 2364c920a..285b04b8b 100644
--- a/tests/execution/test_convolution.py
+++ b/tests/execution/test_convolution.py
@@ -64,7 +64,7 @@ def test_conv2d(input_shape, weight_shape, strides, dilations, has_bias, helpers
     inputset = [np.random.randint(0, 4, size=input_shape) for i in range(100)]
     circuit = function.compile(inputset, configuration)
 
-    sample = np.random.randint(0, 4, size=input_shape, dtype=np.uint8)
+    sample = np.random.randint(0, 4, size=input_shape)
     helpers.check_execution(circuit, function, sample)
 
 
diff --git a/tests/execution/test_dot.py b/tests/execution/test_dot.py
index 0dfb8caf8..daae5c13b 100644
--- a/tests/execution/test_dot.py
+++ b/tests/execution/test_dot.py
@@ -40,7 +40,7 @@ def test_dot(size, helpers):
     right_function_circuit = right_function.compile(inputset, configuration)
     method_circuit = method.compile(inputset, configuration)
 
-    sample = np.random.randint(0, bound, size=(size,), dtype=np.uint8)
+    sample = np.random.randint(0, bound, size=(size,))
 
     helpers.check_execution(left_function_circuit, left_function, sample)
     helpers.check_execution(right_function_circuit, right_function, sample)
diff --git a/tests/execution/test_matmul.py b/tests/execution/test_matmul.py
index c921254f1..dca275147 100644
--- a/tests/execution/test_matmul.py
+++ b/tests/execution/test_matmul.py
@@ -149,8 +149,8 @@ def test_matmul(lhs_shape, rhs_shape, bounds, helpers):
     lhs_function_circuit = lhs_function.compile(lhs_inputset, configuration)
     rhs_function_circuit = rhs_function.compile(rhs_inputset, configuration)
 
-    lhs_sample = np.random.randint(minimum, maximum, size=lhs_shape, dtype=np.uint8)
-    rhs_sample = np.random.randint(minimum, maximum, size=rhs_shape, dtype=np.uint8)
+    lhs_sample = np.random.randint(minimum, maximum, size=lhs_shape)
+    rhs_sample = np.random.randint(minimum, maximum, size=rhs_shape)
 
     helpers.check_execution(lhs_operator_circuit, lhs_operator, lhs_sample)
     helpers.check_execution(rhs_operator_circuit, rhs_operator, rhs_sample)
diff --git a/tests/execution/test_reshape.py b/tests/execution/test_reshape.py
index e87e97f16..ac44b5093 100644
--- a/tests/execution/test_reshape.py
+++ b/tests/execution/test_reshape.py
@@ -129,7 +129,7 @@ def test_reshape(shape, newshape, helpers):
     function_circuit = function.compile(inputset, configuration)
     method_circuit = method.compile(inputset, configuration)
 
-    sample = np.random.randint(0, 2**5, size=shape, dtype=np.uint8)
+    sample = np.random.randint(0, 2**5, size=shape)
 
     helpers.check_execution(function_circuit, function, sample)
     helpers.check_execution(method_circuit, method, sample)
@@ -166,5 +166,5 @@ def test_flatten(shape, helpers):
     inputset = [np.random.randint(0, 2**5, size=shape) for i in range(100)]
     circuit = function.compile(inputset, configuration)
 
-    sample = np.random.randint(0, 2**5, size=shape, dtype=np.uint8)
+    sample = np.random.randint(0, 2**5, size=shape)
     helpers.check_execution(circuit, function, sample)
diff --git a/tests/execution/test_static_indexing.py b/tests/execution/test_static_indexing.py
index 9c9ad5961..3d89a582e 100644
--- a/tests/execution/test_static_indexing.py
+++ b/tests/execution/test_static_indexing.py
@@ -159,7 +159,7 @@ def test_static_indexing(shape, function, helpers):
     inputset = [np.random.randint(0, 2**5, size=shape) for _ in range(100)]
     circuit = compiler.compile(inputset, configuration)
 
-    sample = np.random.randint(0, 2**5, size=shape, dtype=np.uint8)
+    sample = np.random.randint(0, 2**5, size=shape)
     helpers.check_execution(circuit, function, sample)