diff --git a/units/XES0102/XES0102_unit.bp b/units/XES0102/XES0102_unit.bp
index 6dc32c69c6..a584856054 100644
--- a/units/XES0102/XES0102_unit.bp
+++ b/units/XES0102/XES0102_unit.bp
@@ -11,7 +11,6 @@ UnitBlueprint{
     BuildIconSortPriority = 20,
     Categories = {
         "ANTINAVY",
-        "BUILTBYEXPERIMENTALSUB",
         "BUILTBYTIER2FACTORY",
         "BUILTBYTIER3FACTORY",
         "LIGHTBOAT",