diff --git a/regression_testing/cases/dev-cases/case-0pg.conf copy b/regression_testing/cases/dev-cases/case-0pg.conf copy
deleted file mode 100755
index dd7818a..0000000
--- a/regression_testing/cases/dev-cases/case-0pg.conf copy	
+++ /dev/null
@@ -1,4 +0,0 @@
-# Config for test case.
-tidy-mark: no
-indent: no
-wrap: 99999
diff --git a/regression_testing/cases/dev-cases/case-0pg@0.html b/regression_testing/cases/dev-cases/case-0pg@0.html
deleted file mode 100644
index fec3c7f..0000000
--- a/regression_testing/cases/dev-cases/case-0pg@0.html
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@@ -1,28 +0,0 @@
-<!--
-This test case is for issue #523, in which a space is placed after the
-closing tag of certain elements. For example below, a space is added after
-the first script closing tag and after the img tag.
- -->
-<!DOCTYPE html>
-<html>
-<head>
-<title>test</title>
-</head>
-<body>
-<script type="text/javascript">
-</script>
-<script type="text/javascript">
-</script>
-<h1>Hello</h1>
-<script type="text/javascript">
-</script>
-<img src="hi.jpg">
-<script type="text/javascript">
-</script>
-<p>This is a block level element, and as such, is capable of inlining inline elements.<script type="text/javascript">let x = "Hello, world"</script> Scripts are inline elements, so this script should be included in the flow.</p>
-<script type="text/javascript"></script><img src="bye.jpg"><script type="text/javascript"></script>
-<hr>
-<p>This is another paragraph with an <img src="meh.jpg"> tag inline.</p>
-<img src="one.jpg"><img src="two.jpg"><img src="three.jpg">
-</body>
-</html>
