diff --git a/src/st7735/gfx.rs b/src/st7735/gfx.rs
index d0cda1b..7ca4c4a 100644
--- a/src/st7735/gfx.rs
+++ b/src/st7735/gfx.rs
@@ -31,14 +31,14 @@ pub trait GFX : PrimitveGFX {
     	let steep_dir_vertical = ((y1 as i16) - (y0 as i16)).abs() > ((x1 as i16) - (x0 as i16)).abs();
 
 
-    	let (x0, y0, x1, y1) = if (steep_dir_vertical) {
+    	let (x0, y0, x1, y1) = if steep_dir_vertical {
     	    (y0, x0, y1, x1)
     	}
         else {
             (x0, y0, x1, y1)
         };
 
-    	let (x0, y0, x1, y1) = if (x0 > x1) {
+    	let (x0, y0, x1, y1) = if x0 > x1 {
             (x1, y1, x0, y0)
     	}
         else {
@@ -51,7 +51,7 @@ pub trait GFX : PrimitveGFX {
 
     	let mut err = dx / 2;
 
-    	let y_step : i16 = if (y0 < y1) {
+    	let y_step : i16 = if y0 < y1 {
     		1
     	} else {
     		-1
@@ -62,8 +62,8 @@ pub trait GFX : PrimitveGFX {
         let mut cur_y = y0 as i16;
     	for cur_x in x0..(x1 + 1) {
     		err -= dy;
-    		if (err < 0) {
-    			if (steep_dir_vertical) {
+    		if err < 0 {
+    			if steep_dir_vertical {
     				self.draw_fast_vline(cur_y as u8, seg, cur_x - seg + 1, color);
     			} else {
     				self.draw_fast_hline(seg, cur_y as u8, cur_x - seg + 1, color);
diff --git a/src/st7735/mod.rs b/src/st7735/mod.rs
index 74d74bd..4887744 100644
--- a/src/st7735/mod.rs
+++ b/src/st7735/mod.rs
@@ -517,10 +517,10 @@ impl<SPIAddr, GPIOAddr> bitmaps::BitmapGFX for St7735IO<SPIAddr, GPIOAddr>
     		return;
     	}
 
-    	if((x + bitmap.width - 1) >= self.st7735.width) {
+    	if (x + bitmap.width - 1) >= self.st7735.width {
     		return;
     	}
-    	if((y + bitmap.height - 1) >= self.st7735.height) {
+    	if (y + bitmap.height - 1) >= self.st7735.height {
     		return;
     	}
 
@@ -551,10 +551,10 @@ impl<SPIAddr, GPIOAddr> bitmaps::BitmapGFX for St7735IO<SPIAddr, GPIOAddr>
     		return;
     	}
 
-    	if((x + bitmap.width - 1) >= self.st7735.width) {
+    	if (x + bitmap.width - 1) >= self.st7735.width {
     		return;
     	}
-    	if((y + bitmap.height - 1) >= self.st7735.height) {
+    	if (y + bitmap.height - 1) >= self.st7735.height {
     		return;
     	}