diff --git a/dependencies/reactor_class.js b/dependencies/reactor_class.js
index 6dd6168..652ee26 100644
--- a/dependencies/reactor_class.js
+++ b/dependencies/reactor_class.js
@@ -105,8 +105,6 @@ class Reactor_PFR {
 
         this.D_op = this.makeDoperator(true, true);
         this.D2_op = this.makeD2operator();
-
-        this.alpha = 0.001; // boundary condition modifier
     }
 
     set setInfluent(input) { // setter for C_in (WIP)