diff --git a/themes/tiddlywiki/nighttime/base.tid b/themes/tiddlywiki/nighttime/base.tid
deleted file mode 100644
index 71c25738b..000000000
--- a/themes/tiddlywiki/nighttime/base.tid
+++ /dev/null
@@ -1,8 +0,0 @@
-title: $:/themes/tiddlywiki/nighttime/base
-tags: [[$:/tags/stylesheet]]
-
-\rules only filteredtranscludeinline transcludeinline macrodef macrocallinline
-
-html body.tw-body {
-	background-color: #5C5D8E;
-}
diff --git a/themes/tiddlywiki/nighttime/plugin.info b/themes/tiddlywiki/nighttime/plugin.info
deleted file mode 100644
index 50b5824d1..000000000
--- a/themes/tiddlywiki/nighttime/plugin.info
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-	"title": "$:/themes/tiddlywiki/nighttime",
-	"name": "Night-time",
-	"author": "JeremyRuston",
-	"core-version": ">=5.0.0",
-	"plugin-type": "theme",
-	"description": "A darker theme",
-	"dependents": ["$:/themes/tiddlywiki/vanilla"]
-}