diff --git a/binaries/data/config/default.cfg b/binaries/data/config/default.cfg
index badf6800b3..39231b42a3 100644
--- a/binaries/data/config/default.cfg
+++ b/binaries/data/config/default.cfg
@@ -63,16 +63,16 @@ renderpath = default
 
 ;;;;; EXPERIMENTAL ;;;;;
 ; Prefer GLSL shaders over ARB shaders (not recommended). REQUIRES gentangents=true.
-preferglsl = true
+preferglsl = false
 
 ; Generate tangents for normal and parallax mapping. REQUIRES preferglsl=true. Incompatible with gpuskinning.
-gentangents = true
+gentangents = false
 
 ; Use smooth LOS interpolation; REQUIRES preferglsl=true.
-smoothlos = true
+smoothlos = false
 
 ; Quality level of shader effects (set to 10 to display effects)
-materialmgr.quality = 10.0
+materialmgr.quality = 0.0
 
 ; Maximum distance to display parallax effect. Set to 0 to disable parallax.
 materialmgr.PARALLAX_DIST.max = 150