diff --git a/data.lua b/data.lua
index 8c27893..a3397cf 100644
--- a/data.lua
+++ b/data.lua
@@ -165,4 +165,3 @@ data.raw.fluid["ethylene"].fuel_value = "1MJ"
 data.raw.fluid["methane"].fuel_value = "0.8MJ"
 data.raw.fluid["propene"].fuel_value = "1MJ"
 data.raw.fluid["tall-oil"].fuel_value = "1MJ"
-data.raw.fluid["black-liquor"].fuel_value = "500kJ"