diff --git a/public/ghost-visual.js b/public/ghost-visual.js
index a1daddb..eae3e00 100644
--- a/public/ghost-visual.js
+++ b/public/ghost-visual.js
@@ -43,7 +43,6 @@ const WISP_VERT = `
 `;
 
 const WISP_FRAG = `
-  precision mediump float;
   varying float vY;
   varying vec3 vPos;
   uniform vec3  uTop;