diff --git a/src/tensor/equals.rs b/src/tensor/equals.rs
index f6784f4..53e70b4 100644
--- a/src/tensor/equals.rs
+++ b/src/tensor/equals.rs
@@ -1,6 +1,6 @@
 use crate::data_buffer::DataBuffer;
 use crate::dtype::RawDataType;
-use crate::iterator::iterators::FlatIterator;
+use crate::iterator::FlatIterator;
 use crate::TensorBase;
 
 impl<B1, T1, B2, T2> PartialEq<TensorBase<B1>> for TensorBase<B2>
diff --git a/src/tensor/iterator/iterators.rs b/src/tensor/iterator/iterators.rs
index 0f64e12..1b8a995 100644
--- a/src/tensor/iterator/iterators.rs
+++ b/src/tensor/iterator/iterators.rs
@@ -29,7 +29,7 @@ impl<T: RawDataType> FlatIterator<T> for TensorView<T> {
 
 impl<B, T> TensorBase<B>
 where
-    B: DataBuffer<crate::tensor::data_buffer::buffer::DType=T>,
+    B: DataBuffer<DType=T>,
     T: RawDataType,
 {
     pub fn iter(&self) -> TensorIterator<T> {
diff --git a/src/tensor/iterator/util.rs b/src/tensor/iterator/util.rs
index 409b4dd..bd742c5 100644
--- a/src/tensor/iterator/util.rs
+++ b/src/tensor/iterator/util.rs
@@ -1,6 +1,6 @@
 use crate::traits::haslength::HasLength;
 
-pub(super) fn split_by_indices<T, I>(data: &Vec<T>, indices: I) -> (Vec<T>, Vec<T>)
+pub(super) fn split_by_indices<T, I>(data: &[T], indices: I) -> (Vec<T>, Vec<T>)
 where
     T: Copy,
     I: HasLength + IntoIterator<Item=usize>,
diff --git a/src/traits/haslength.rs b/src/traits/haslength.rs
index f440294..4ea4574 100644
--- a/src/traits/haslength.rs
+++ b/src/traits/haslength.rs
@@ -4,7 +4,7 @@ pub trait HasLength {
 
 impl<T> HasLength for Vec<T> {
     fn len(&self) -> usize {
-        Vec::len(&self)
+        Vec::len(self)
     }
 }
 impl<T, const N: usize> HasLength for [T; N] {