diff --git a/Neuron2009/EPlasSyn.mod b/Neuron2009/EPlasSyn.mod
index a3fb499..68f376e 100644
--- a/Neuron2009/EPlasSyn.mod
+++ b/Neuron2009/EPlasSyn.mod
@@ -17,7 +17,7 @@ NEURON {
         RANGE precell
         RANGE gAMPA, gmaxAMPA, gNMDA, gmaxNMDA
         GLOBAL Erev_1, Erev_2
-   GLOBAL AMPANMDARATIO, AMPANMDARATIO
+   GLOBAL AMPANMDARATIO
 
    :SCALE
    POINTER ScaleFactor, Induction, lastprespike, AMPAMAX
diff --git a/Neuron2009/EPlasSyntoInh.mod b/Neuron2009/EPlasSyntoInh.mod
index 03e6347..9cb7f3e 100644
--- a/Neuron2009/EPlasSyntoInh.mod
+++ b/Neuron2009/EPlasSyntoInh.mod
@@ -17,7 +17,7 @@ NEURON {
         RANGE precell
         RANGE gAMPA, gmaxAMPA, gNMDA, gmaxNMDA
         GLOBAL Erev_1, Erev_2
-   GLOBAL AMPANMDARATIO, AMPANMDARATIO
+   GLOBAL AMPANMDARATIO
 
    :SCALE
    POINTER ScaleFactor, Induction, lastprespike, AMPAMAX