diff --git a/tensor.c b/tensor.c
index f5df9e4..b95c60e 100644
--- a/tensor.c
+++ b/tensor.c
@@ -186,42 +186,6 @@ uint8_t tensor_cpy(tensor t1, const tensor t2)
 	return 1;
 }
 
-void tensor_add_scalar(tensor t, dtype n)
-{
-	assert(!tensor_is_empty(t));
-
-	tensoriter_scalar iter = tensoriter_scalar_create(t);
-	tensoriter_scalar_map_add(iter, n);
-	tensoriter_scalar_destroy(iter);
-}
-
-void tensor_sub_scalar(tensor t, dtype n)
-{
-	assert(!tensor_is_empty(t));
-
-	tensoriter_scalar iter = tensoriter_scalar_create(t);
-	tensoriter_scalar_map_sub(iter, n);
-	tensoriter_scalar_destroy(iter);
-}
-
-void tensor_mul_scalar(tensor t, dtype n)
-{
-	assert(!tensor_is_empty(t));
-
-	tensoriter_scalar iter = tensoriter_scalar_create(t);
-	tensoriter_scalar_map_mul(iter, n);
-	tensoriter_scalar_destroy(iter);
-}
-
-void tensor_div_scalar(tensor t, dtype n)
-{
-	assert(!tensor_is_empty(t));
-
-	tensoriter_scalar iter = tensoriter_scalar_create(t);
-	tensoriter_scalar_map_div(iter, n);
-	tensoriter_scalar_destroy(iter);
-}
-
 uint8_t tensor_add_inplace(tensor t1, const tensor t2)
 {
 	assert(!tensor_is_empty(t1));
diff --git a/tensor.h b/tensor.h
index 0a6f2ff..78ead75 100644
--- a/tensor.h
+++ b/tensor.h
@@ -55,10 +55,6 @@ uint8_t tensor_init_zero(tensor t, uint8_t rank, const uint32_t *size);
 uint8_t tensor_init_rand(tensor t, uint8_t rank, const uint32_t *size, dtype max);
 uint8_t tensor_cpy(tensor t1, const tensor t2);
 
-void tensor_add_scalar(tensor t, dtype n);
-void tensor_sub_scalar(tensor t, dtype n);
-void tensor_mul_scalar(tensor t, dtype n);
-void tensor_div_scalar(tensor t, dtype n);
 uint8_t tensor_add_inplace(tensor t1, const tensor t2);
 uint8_t tensor_sub_inplace(tensor t1, const tensor t2);
 tensor tensor_add(const tensor t1, const tensor t2);