diff --git a/config.default.yaml b/config.default.yaml
index 45e431ac..b2fa5f6b 100644
--- a/config.default.yaml
+++ b/config.default.yaml
@@ -234,7 +234,7 @@ sector:
   helmeth: true
   coal_cc: false
   dac: true
-  co2_vent: true
+  co2_vent: false
   SMR: true
   co2_sequestration_potential: 200  #MtCO2/a sequestration potential for Europe
   co2_sequestration_cost: 10   #EUR/tCO2 for sequestration of CO2