diff --git a/resources/shaders/gouraud.fs b/resources/shaders/gouraud.fs
index 93b2ca1fc..5004daf06 100644
--- a/resources/shaders/gouraud.fs
+++ b/resources/shaders/gouraud.fs
@@ -1,5 +1,4 @@
 #version 110
-precision highp float;
 
 const vec3 ZERO = vec3(0.0, 0.0, 0.0);
 //BBS: add grey and orange
diff --git a/resources/shaders/gouraud.vs b/resources/shaders/gouraud.vs
index 8506314b6..cf7c75d5e 100644
--- a/resources/shaders/gouraud.vs
+++ b/resources/shaders/gouraud.vs
@@ -1,5 +1,4 @@
 #version 110
-precision highp float;
 #define INTENSITY_CORRECTION 0.6
 
 // normalized values for (-0.6/1.31, 0.6/1.31, 1./1.31)