diff --git a/src/transformer.rs b/src/transformer.rs
index c31b947..564b981 100644
--- a/src/transformer.rs
+++ b/src/transformer.rs
@@ -1,18 +1,12 @@
 //pub mod common;
 mod translate;
 mod replicate;
-mod rotate;
-mod flip_horizontal;
-mod flip_vertical;
 
 use crate::point::Point;
 
 // re-export transformers to be abe to use it directly from transformer::
 pub use translate::Translate;
 pub use replicate::Replicate;
-pub use rotate::Rotate;
-pub use flip_horizontal::FlipHorizontal;
-pub use flip_vertical::FlipVertical;
 
 pub trait Transformers {
     fn apply(&self, point_list: &[Point]) -> Vec<Point>;
diff --git a/src/transformer/flip_horizontal.rs b/src/transformer/flip_horizontal.rs
deleted file mode 100644
index 2157ddd..0000000
--- a/src/transformer/flip_horizontal.rs
+++ /dev/null
@@ -1,28 +0,0 @@
-use crate::transformer::Transformers;
-use crate::point::Point;
-use serde::{Serialize,Deserialize};
-
-/// Flip Horizontal
-
-#[derive(Serialize,Deserialize,Debug,Clone,Copy)]
-pub struct FlipHorizontal {
-    x: f32,
-}
-
-impl FlipHorizontal {
-    pub fn new(x: f32) -> Self {
-        Self {x}
-    }
-}
-
-impl Transformers for FlipHorizontal {
-    fn apply(&self, point_list: &[Point]) -> Vec<Point> {
-    point_list.iter()
-        .map(| pt | {
-            let dx = pt.x - self.x;
-            Point { x: dx - 2. * dx,
-                ..*pt
-            }
-        }).collect()
-    }
-}
diff --git a/src/transformer/flip_vertical.rs b/src/transformer/flip_vertical.rs
deleted file mode 100644
index b4f6d59..0000000
--- a/src/transformer/flip_vertical.rs
+++ /dev/null
@@ -1,28 +0,0 @@
-use crate::transformer::Transformers;
-use crate::point::Point;
-use serde::{Serialize,Deserialize};
-
-/// Flip Vertical
-
-#[derive(Serialize,Deserialize,Debug,Clone,Copy)]
-pub struct FlipVertical {
-    y: f32,
-}
-
-impl FlipVertical {
-    pub fn new(y: f32) -> Self {
-        Self {y}
-    }
-}
-
-impl Transformers for FlipVertical {
-    fn apply(&self, point_list: &[Point]) -> Vec<Point> {
-    point_list.iter()
-        .map(| pt | {
-            let dy = pt.y - self.y;
-            Point { y: dy - 2. * dy,
-                ..*pt
-            }
-        }).collect()
-    }
-}
diff --git a/src/transformer/rotate.rs b/src/transformer/rotate.rs
deleted file mode 100644
index ca574ba..0000000
--- a/src/transformer/rotate.rs
+++ /dev/null
@@ -1,39 +0,0 @@
-use crate::transformer::Transformers;
-use crate::point::Point;
-use serde::{Serialize,Deserialize};
-use std::f32::consts::PI;
-
-/// Rotate
-
-#[derive(Serialize,Deserialize,Debug,Clone,Copy)]
-pub struct Rotate {
-    cx: f32,
-    cy: f32,
-    angle: f32,
-
-}
-
-impl Rotate {
-    pub fn new(cx: f32, cy: f32, angle: f32) -> Self {
-        Self { cx, cy, angle: angle / 180. * PI}
-    }
-}
-
-impl Transformers for Rotate {
-    fn apply(&self, point_list: &[Point]) -> Vec<Point> {
-    point_list.iter()
-        .map(| pt | {
-            let dx = (pt.x - self.cx);
-            let dy = (pt.y - self.cy);
-            let cos = self.angle.cos();
-            let sin = self.angle.sin();
-            let x = (dx * cos - dy * sin) + self.cx; 
-            let y = (dx * sin + dy * cos) + self.cy; 
-            Point { x,
-                y,
-                ..*pt
-            }
-        }).collect()
-    }
-}
-