diff --git a/resources/shaders/glsl/scanlines.glsl b/resources/shaders/glsl/scanlines.glsl
index 36f467b6c..ce4182502 100644
--- a/resources/shaders/glsl/scanlines.glsl
+++ b/resources/shaders/glsl/scanlines.glsl
@@ -22,13 +22,13 @@
 // Parameter lines go here:
 // 0.5 = the spot stays inside the original pixel
 // 1.0 = the spot bleeds up to the center of next pixel
-#pragma parameter SPOT_WIDTH "CRTCaligari Spot Width" 0.9 0.1 1.5 0.05
-#pragma parameter SPOT_HEIGHT "CRTCaligari Spot Height" 0.75 0.1 1.5 0.05
+// #pragma parameter SPOT_WIDTH "CRTCaligari Spot Width" 0.9 0.1 1.5 0.05
+// #pragma parameter SPOT_HEIGHT "CRTCaligari Spot Height" 0.75 0.1 1.5 0.05
 // Used to counteract the desaturation effect of weighting.
-#pragma parameter COLOR_BOOST "CRTCaligari Color Boost" 1.45 1.0 2.0 0.05
+// #pragma parameter COLOR_BOOST "CRTCaligari Color Boost" 1.45 1.0 2.0 0.05
 // Constants used with gamma correction.
-#pragma parameter InputGamma "CRTCaligari Input Gamma" 2.4 0.0 5.0 0.1
-#pragma parameter OutputGamma "CRTCaligari Output Gamma" 2.2 0.0 5.0 0.1
+// #pragma parameter InputGamma "CRTCaligari Input Gamma" 2.4 0.0 5.0 0.1
+// #pragma parameter OutputGamma "CRTCaligari Output Gamma" 2.2 0.0 5.0 0.1
 
 #if defined(VERTEX)