1 files changed, 3 insertions, 7 deletions

diff --git a/src/main/java/Filter.java b/src/main/java/Filter.java
index 03c8b0b..1e50d7e 100644
--- a/src/main/java/Filter.java
+++ b/src/main/java/Filter.java
@@ -20,7 +20,6 @@ public final class Filter {
             {1, 2, 1}
     };
 
-
     /**
      * Get a pixel without accessing out of bounds
      *
@@ -79,8 +78,7 @@ public final class Filter {
      * @return a HxW float array
      */
     public static float[][] smooth(float[][] gray) {
-        float[][] smoothtImage = Filter.filter(gray, SMOOTH_CORE);
-        return smoothtImage;
+        return Filter.filter(gray, SMOOTH_CORE);
     }
 
     /**
@@ -90,8 +88,7 @@ public final class Filter {
      * @return a HxW float array
      */
     public static float[][] sobelX(float[][] gray) {
-        float[][] sobelXImage = Filter.filter(gray, SOBEL_X_CORE);
-        return sobelXImage;
+        return Filter.filter(gray, SOBEL_X_CORE);
     }
 
     /**
@@ -101,8 +98,7 @@ public final class Filter {
      * @return a HxW float array
      */
     public static float[][] sobelY(float[][] gray) {
-        float[][] sobelYImage = Filter.filter(gray, SOBEL_Y_CORE);
-        return sobelYImage;
+        return Filter.filter(gray, SOBEL_Y_CORE);
     }
 
     /**