diff --git a/scenes/game.py b/scenes/game.py
index a429050..1534d59 100644
--- a/scenes/game.py
+++ b/scenes/game.py
@@ -1117,14 +1117,10 @@ class NoteArc:
                     tex.draw_texture('balloon', 'rainbow_mask', src=src, x=crop_start_x, x2=-rainbow.width + crop_width)
                     ray.end_shader_mode()
 
-                    ray.begin_blend_mode(ray.BlendMode.BLEND_ADDITIVE)
                     tex.draw_texture('balloon', 'explosion', x=self.explosion_x, y=self.explosion_y-30, frame=self.explosion_anim.attribute)
-                    ray.end_blend_mode()
         '''
         elif self.is_big:
-            ray.begin_blend_mode(ray.BlendMode.BLEND_ADDITIVE)
             tex.draw_texture('hit_effect', 'explosion', x=self.explosion_x, y=self.explosion_y-30, frame=self.explosion_anim.attribute)
-            ray.end_blend_mode()
         '''
         tex.draw_texture('notes', str(self.note_type), x=self.x_i, y=self.y_i)
 
@@ -1501,10 +1497,8 @@ class GogoTime:
     def draw(self):
         tex.draw_texture('gogo_time', 'fire', scale=self.fire_resize.attribute, frame=self.fire_change.attribute, fade=0.5, center=True)
         if not self.explosion_anim.is_finished:
-            ray.begin_blend_mode(ray.BlendMode.BLEND_ADDITIVE)
             for i in range(5):
                 tex.draw_texture('gogo_time', 'explosion', frame=self.explosion_anim.attribute, index=i)
-            ray.end_blend_mode()
 
 class Gauge:
     def __init__(self, player_num: str, difficulty: int, level: int, total_notes: int):
diff --git a/scenes/result.py b/scenes/result.py
index 75f3092..b046c08 100644
--- a/scenes/result.py
+++ b/scenes/result.py
@@ -197,9 +197,7 @@ class ResultScreen:
         if self.state == State.FAIL:
             tex.draw_texture('background', 'gradient_fail', fade=min(0.4, self.fade_in_bottom.attribute))
         else:
-            ray.begin_blend_mode(ray.BlendMode.BLEND_ADDITIVE)
             tex.draw_texture('background', 'gradient_clear', fade=min(0.4, self.fade_in_bottom.attribute))
-            ray.end_blend_mode()
         self.bottom_characters.draw()
 
     def draw_modifiers(self):
diff --git a/shader/grayscale_alpha.fs b/shader/grayscale_alpha.fs
deleted file mode 100644
index 3a3cec2..0000000
--- a/shader/grayscale_alpha.fs
+++ /dev/null
@@ -1,13 +0,0 @@
-// fragment shader
-#version 330
-in vec2 fragTexCoord;
-uniform sampler2D texture0;
-out vec4 finalColor;
-uniform float ext_alpha;
-void main() {
-    vec4 texColor = texture(texture0, fragTexCoord);
-    vec3 last_color = vec3(1.0, 253.0/255.0, (186.0*0.80)/255.0);
-    // Use luminance as alpha (0.0 = transparent, 1.0 = opaque)
-    float alpha = ((texColor.r + texColor.g + texColor.b)/3)*0.70;
-    finalColor = vec4(last_color, alpha * ext_alpha);
-}