diff --git a/cover.html b/cover.html
deleted file mode 100644
index 158d2dc..0000000
--- a/cover.html
+++ /dev/null
@@ -1,145 +0,0 @@
-
-<!DOCTYPE html>
-<html>
-	<head>
-		<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-		<title>metadata: Go Coverage Report</title>
-		<style>
-			body {
-				background: black;
-				color: rgb(80, 80, 80);
-			}
-			body, pre, #legend span {
-				font-family: Menlo, monospace;
-				font-weight: bold;
-			}
-			#topbar {
-				background: black;
-				position: fixed;
-				top: 0; left: 0; right: 0;
-				height: 42px;
-				border-bottom: 1px solid rgb(80, 80, 80);
-			}
-			#content {
-				margin-top: 50px;
-			}
-			#nav, #legend {
-				float: left;
-				margin-left: 10px;
-			}
-			#legend {
-				margin-top: 12px;
-			}
-			#nav {
-				margin-top: 10px;
-			}
-			#legend span {
-				margin: 0 5px;
-			}
-			.cov0 { color: rgb(192, 0, 0) }
-.cov1 { color: rgb(128, 128, 128) }
-.cov2 { color: rgb(116, 140, 131) }
-.cov3 { color: rgb(104, 152, 134) }
-.cov4 { color: rgb(92, 164, 137) }
-.cov5 { color: rgb(80, 176, 140) }
-.cov6 { color: rgb(68, 188, 143) }
-.cov7 { color: rgb(56, 200, 146) }
-.cov8 { color: rgb(44, 212, 149) }
-.cov9 { color: rgb(32, 224, 152) }
-.cov10 { color: rgb(20, 236, 155) }
-
-		</style>
-	</head>
-	<body>
-		<div id="topbar">
-			<div id="nav">
-				<select id="files">
-				
-				<option value="file0">github.com/gopatchy/metadata/metadata.go (83.3%)</option>
-				
-				</select>
-			</div>
-			<div id="legend">
-				<span>not tracked</span>
-			
-				<span class="cov0">no coverage</span>
-				<span class="cov1">low coverage</span>
-				<span class="cov2">*</span>
-				<span class="cov3">*</span>
-				<span class="cov4">*</span>
-				<span class="cov5">*</span>
-				<span class="cov6">*</span>
-				<span class="cov7">*</span>
-				<span class="cov8">*</span>
-				<span class="cov9">*</span>
-				<span class="cov10">high coverage</span>
-			
-			</div>
-		</div>
-		<div id="content">
-		
-		<pre class="file" id="file0" style="display: none">package metadata
-
-import (
-        "reflect"
-)
-
-type Metadata struct {
-        ID         string `json:"id"`
-        ETag       string `json:"etag"`
-        Generation int64  `json:"generation"`
-}
-
-func HasMetadata(obj any) bool <span class="cov0" title="0">{
-        return getMetadataField(obj).IsValid()
-}</span>
-
-func GetMetadata(obj any) *Metadata <span class="cov1" title="1">{
-        return getMetadataField(obj).Addr().Interface().(*Metadata)
-}</span>
-
-func ClearMetadata(obj any) <span class="cov1" title="1">{
-        SetMetadata(obj, &amp;Metadata{})
-}</span>
-
-func SetMetadata(obj any, md *Metadata) <span class="cov1" title="1">{
-        getMetadataField(obj).Set(reflect.ValueOf(*md))
-}</span>
-
-func getMetadataField(obj any) reflect.Value <span class="cov10" title="2">{
-        v := reflect.ValueOf(obj)
-
-        return reflect.Indirect(v).FieldByName("Metadata")
-}</span>
-</pre>
-		
-		</div>
-	</body>
-	<script>
-	(function() {
-		var files = document.getElementById('files');
-		var visible;
-		files.addEventListener('change', onChange, false);
-		function select(part) {
-			if (visible)
-				visible.style.display = 'none';
-			visible = document.getElementById(part);
-			if (!visible)
-				return;
-			files.value = part;
-			visible.style.display = 'block';
-			location.hash = part;
-		}
-		function onChange() {
-			select(files.value);
-			window.scrollTo(0, 0);
-		}
-		if (location.hash != "") {
-			select(location.hash.substr(1));
-		}
-		if (!visible) {
-			select("file0");
-		}
-	})();
-	</script>
-</html>
diff --git a/cover.out b/cover.out
deleted file mode 100644
index 9d90fb9..0000000
--- a/cover.out
+++ /dev/null
@@ -1,6 +0,0 @@
-mode: atomic
-github.com/gopatchy/metadata/metadata.go:13.32,15.2 1 0
-github.com/gopatchy/metadata/metadata.go:17.37,19.2 1 1
-github.com/gopatchy/metadata/metadata.go:21.29,23.2 1 1
-github.com/gopatchy/metadata/metadata.go:25.41,27.2 1 1
-github.com/gopatchy/metadata/metadata.go:29.46,33.2 2 2
