diff --git a/CUDA/options/options.h b/CUDA/options/options.h
index a3bcff130c7f4d88869becef593afebccbab7498..2bc71a6a8f480b20de3a3591475111306bd99b39 100644
--- a/CUDA/options/options.h
+++ b/CUDA/options/options.h
@@ -1,12 +1,4 @@
-#define MAXNFIBRES 4 
-#define MAXNPARAMS 16
-//MAXNFIBRES*3 + S0 + d + d_std + f0 = 16
-//rician only in runmcmc and doesn't use MAXNPARAMS
-#define MAXNDIR 640
-//640 gradient directions
 #define THREADS_BLOCK_MCMC 64
 #define THREADS_BLOCK_FIT 64
-#define MAXNDIRS_PER_THREAD 10 
-//MAXNDIR/THREADS_BLOCK_MCMC