diff --git a/plantuml/info221-lecture-colours.ipu b/plantuml/info221-lecture-colours.ipu
deleted file mode 100644
index 53e25ba..0000000
--- a/plantuml/info221-lecture-colours.ipu
+++ /dev/null
@@ -1,52 +0,0 @@
-skinparam {
-
-	Database {
-		BackgroundColor #F2F2F2
-		BorderColor #515151
-		FontColor #515151
-	}
-
-	Package {
-		BackgroundColor #F2F2F2
-		BorderColor #515151
-	}
-
-	Folder {
-		FontColor #515151
-	}
-
-	Component {
-		ArrowFontColor #515151
-	}
-
-	Class {
-		BackgroundColor #F2F2F2
-		BorderColor #515151
-		ArrowColor #515151
-		FontColor #515151
-		AttributeFontColor #515151
-		StereotypeFontColor #515151
-		ArrowColor #515151
-	}
-
-	Sequence {
-		ParticipantBackgroundColor #F2F2F2
-		ParticipantBorderColor #515151
-
-		LifeLineBackgroundColor #F2F2F2
-		LifeLineBorderColor #515151
-
-		ArrowColor #515151
-
-		ActorBorderColor #515151
-		ActorBackgroundColor #F2F2F2
-
-		FontColor #FF0000
-
-		Box {
-			BackgroundColor #F2F2F2
-		}
-
-	}
-
-}