diff --git a/main.gms b/main.gms
index 9ee75420b2..1915ed6374 100755
--- a/main.gms
+++ b/main.gms
@@ -1639,7 +1639,6 @@ $setglobal cm_CES_configuration  indu_subsectors-buil_simple-tran_edge_esm-POP_p
 $setglobal c_CES_calibration_iterations  10     !!  def  =  10
 $setglobal c_CES_calibration_industry_FE_target  1
 $setglobal c_testOneRegi_region  EUR       !! def = EUR  !! regexp = [A-Z]{3}
-$setglobal cm_fixCO2price  off !! def = off
 
 *' @stop
 
diff --git a/standalone/MOFEX/MOFEX.gms b/standalone/MOFEX/MOFEX.gms
index b879827978..cf13351c75 100644
--- a/standalone/MOFEX/MOFEX.gms
+++ b/standalone/MOFEX/MOFEX.gms
@@ -496,8 +496,6 @@ $setglobal cm_DAC_eff  off !! def = off
 
 $setglobal cm_sehe_upper  off !! def = off 
 
-$setglobal cm_fixCO2price  off !! def = off
-
 $setglobal cm_feShareLimits  off  !! def = off
 
 $setglobal c_fuelprice_init  off !! def = off
diff --git a/standalone/trade/trade.gms b/standalone/trade/trade.gms
index 5bf3dea66c..dadbb0b087 100644
--- a/standalone/trade/trade.gms
+++ b/standalone/trade/trade.gms
@@ -501,8 +501,6 @@ $setglobal cm_DAC_eff  off !! def = off
 
 $setglobal cm_sehe_upper  off !! def = off 
 
-$setglobal cm_fixCO2price  off !! def = off
-
 $setglobal cm_feShareLimits  off  !! def = off
 
 $setglobal c_fuelprice_init  off !! def = off