diff --git a/src/StarsystemGenerator/Config/PlanetMoonProbabilities.php b/src/StarsystemGenerator/Config/PlanetMoonProbabilities.php
index be0bc90..30ae6cf 100644
--- a/src/StarsystemGenerator/Config/PlanetMoonProbabilities.php
+++ b/src/StarsystemGenerator/Config/PlanetMoonProbabilities.php
@@ -33,7 +33,6 @@ final class PlanetMoonProbabilities implements PlanetMoonProbabilitiesInterface
         331 => 13,
         313 => 12,
         315 => 12,
-        311 => 12,
         261 => 11,
         305 => 9,
         303 => 9,