diff --git a/bin/make_heatmap.R b/bin/make_heatmap.R
index 4f4eb60a265bb463e57b80f25a4dc83daa0748b5..7419fba60da09b8468e443dea27947bf9f058e1f 100644
--- a/bin/make_heatmap.R
+++ b/bin/make_heatmap.R
@@ -36,7 +36,6 @@ Rho = Rho[trait_name$ID , c("V1",trait_name$ID), with=FALSE]
 Pval = Pval[trait_name$ID , c("V1",trait_name$ID), with=FALSE]
 
 cor_long = melt(as.data.table(Rho),id.vars=c('V1'))
-order_trait <- trait_name$ID
 
 pval_long =melt(as.data.table(Pval),id.vars=c('V1'))