diff --git a/examples/gaia/tidal_flats-t3d/gai_tidal_flats.cas b/examples/gaia/tidal_flats-t3d/gai_tidal_flats.cas
index 6986ae6ff4669764b8e8049ab157aecedc88c629..91aa55a5569227a667bd3d739a685c4f1b86a877 100644
--- a/examples/gaia/tidal_flats-t3d/gai_tidal_flats.cas
+++ b/examples/gaia/tidal_flats-t3d/gai_tidal_flats.cas
@@ -59,7 +59,6 @@ MASS-BALANCE         = YES
 / NUMERICAL STUFF
 /----------------------------------------------------------------------/
 FINITE VOLUMES       = NO
-THETA IMPLICITATION FOR SUSPENSION      = 0.5
 SCHEME FOR ADVECTION OF SUSPENDED SEDIMENTS = 13
 SCHEME OPTION FOR ADVECTION OF SUSPENDED SEDIMENTS = 1
 MAXIMUM NUMBER OF ITERATIONS FOR SOLVER FOR SUSPENSION = 50