diff --git a/src/datatypes/src/scalars.rs b/src/datatypes/src/scalars.rs
index 13b2e4ad7f..be4777576b 100644
--- a/src/datatypes/src/scalars.rs
+++ b/src/datatypes/src/scalars.rs
@@ -366,7 +366,7 @@ impl<'a> ScalarRef<'a> for GeometryValueRef<'a> {
                 Value::Geometry(value) => value,
                 _ => unreachable!(),
             },
-            GeometryValueRef::Ref { val } => (*val).clone(),
+            GeometryValueRef::Ref { val } => **val,
         }
     }
 }
diff --git a/src/datatypes/src/type_id.rs b/src/datatypes/src/type_id.rs
index f4ab4fd110..7a25a999cb 100644
--- a/src/datatypes/src/type_id.rs
+++ b/src/datatypes/src/type_id.rs
@@ -1,5 +1,3 @@
-use crate::types::GeometryType;
-
 /// Unique identifier for logical data type.
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
 pub enum LogicalTypeId {
@@ -46,6 +44,7 @@ impl LogicalTypeId {
     #[cfg(any(test, feature = "test"))]
     pub fn data_type(&self) -> crate::data_type::ConcreteDataType {
         use crate::data_type::ConcreteDataType;
+        use crate::types::GeometryType;
 
         match self {
             LogicalTypeId::Null => ConcreteDataType::null_datatype(),
@@ -68,7 +67,6 @@ impl LogicalTypeId {
             LogicalTypeId::List => {
                 ConcreteDataType::list_datatype(ConcreteDataType::null_datatype())
             }
-            // FIXME(sunng87): check if default type works
             LogicalTypeId::Geometry => ConcreteDataType::geometry_datatype(GeometryType::default()),
         }
     }
diff --git a/src/datatypes/src/value.rs b/src/datatypes/src/value.rs
index 8b3a9eaee1..2a8574aa5f 100644
--- a/src/datatypes/src/value.rs
+++ b/src/datatypes/src/value.rs
@@ -577,7 +577,7 @@ impl<'a> GeometryValueRef<'a> {
     fn to_value(self) -> Value {
         match self {
             GeometryValueRef::Indexed { vector, idx } => vector.get(idx),
-            GeometryValueRef::Ref { val } => Value::Geometry(val.clone()),
+            GeometryValueRef::Ref { val } => Value::Geometry(*val),
         }
     }
 }
diff --git a/src/datatypes/src/vectors/geometry.rs b/src/datatypes/src/vectors/geometry.rs
index 6b6162aea2..e193d0fdd9 100644
--- a/src/datatypes/src/vectors/geometry.rs
+++ b/src/datatypes/src/vectors/geometry.rs
@@ -134,7 +134,7 @@ impl<'a> Iterator for GeometryVectorIter<'a> {
     type Item = Option<GeometryValueRef<'a>>;
     fn next(&mut self) -> Option<Self::Item> {
         let pos = self.pos;
-        self.pos = self.pos + 1;
+        self.pos += 1;
 
         if self.vector.len() <= pos {
             return None;
@@ -293,7 +293,7 @@ mod tests {
 
         for i in iter {
             assert_eq!(i, vector.get_data(cnt));
-            cnt = cnt + 1;
+            cnt += 1;
         }
         assert_eq!(cnt, vector.len());
 
diff --git a/src/datatypes/src/vectors/geometry/point.rs b/src/datatypes/src/vectors/geometry/point.rs
index d2cd12d455..d2fe802194 100644
--- a/src/datatypes/src/vectors/geometry/point.rs
+++ b/src/datatypes/src/vectors/geometry/point.rs
@@ -20,9 +20,9 @@ impl PointVector {
     }
 
     pub fn slice(&self, offset: usize, length: usize) -> Self {
-        return Self {
+        Self {
             array: self.array.slice(offset, length),
-        };
+        }
     }
 
     pub fn get(&self, index: usize) -> Value {
@@ -58,13 +58,19 @@ pub struct PointVectorBuilder {
     pub array_y: Float64Vec,
 }
 
-impl PointVectorBuilder {
-    pub fn new() -> Self {
+impl Default for PointVectorBuilder {
+    fn default() -> Self {
         Self {
             array_x: Float64Vec::new(),
             array_y: Float64Vec::new(),
         }
     }
+}
+
+impl PointVectorBuilder {
+    pub fn new() -> Self {
+        Self::default()
+    }
 
     pub fn with_capacity(capacity: usize) -> Self {
         Self {
@@ -93,7 +99,7 @@ impl PointVectorBuilder {
             Field::new("x", Float64, true),
             Field::new("y", Float64, true),
         ];
-        let validity = x.validity().map(|validity| validity.clone());
+        let validity = x.validity().cloned();
         let array = StructArray::new(DataType::Struct(fields), vec![x, y], validity);
 
         PointVector { array }