diff --git a/SConstruct b/SConstruct
index fc4d14175..bf993d3d5 100644
--- a/SConstruct
+++ b/SConstruct
@@ -210,10 +210,6 @@ opts.AddVariables(
         'enable_solvers',
         'Enable ODE integrators and DAE solvers',
         True),
-    BoolVariable(
-        'enable_rxnpath',
-        'Enable reaction path analysis',
-        True),
     BoolVariable(
         'with_html_log_files',
         """write HTML log files. Some multiphase equilibrium