diff --git a/examples/shaders/resources/shaders/glsl100/raymarching.fs b/examples/shaders/resources/shaders/glsl100/raymarching.fs
index 4ae71297d..c823e01eb 100644
--- a/examples/shaders/resources/shaders/glsl100/raymarching.fs
+++ b/examples/shaders/resources/shaders/glsl100/raymarching.fs
@@ -8,8 +8,6 @@ varying vec4 fragColor;
 
 uniform vec3 viewEye;
 uniform vec3 viewCenter; 
-uniform vec3 viewUp;
-uniform float deltaTime;
 uniform float runTime;
 uniform vec2 resolution;
 
@@ -428,4 +426,4 @@ void main()
 #endif
 
     gl_FragColor = vec4( tot, 1.0 );
-}
\ No newline at end of file
+}