diff --git a/activity.go b/activity.go
index 9992cb2..da57ca0 100644
--- a/activity.go
+++ b/activity.go
@@ -1061,8 +1061,7 @@ func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
 		}
 
 		var tags []junk.Junk
-		g := bunchofgrapes(h.Noise)
-		for _, m := range g {
+		for _, m := range bunchofgrapes(h.Noise) {
 			t := junk.New()
 			t["type"] = "Mention"
 			t["name"] = m.who
@@ -1077,8 +1076,7 @@ func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
 			t["name"] = o
 			tags = append(tags, t)
 		}
-		herd := herdofemus(h.Noise)
-		for _, e := range herd {
+		for _, e := range herdofemus(h.Noise) {
 			t := junk.New()
 			t["id"] = e.ID
 			t["type"] = "Emoji"
diff --git a/fun.go b/fun.go
index 1a284ee..97c1929 100644
--- a/fun.go
+++ b/fun.go
@@ -538,18 +538,17 @@ func firstclass(honk *Honk) bool {
 }
 
 func oneofakind(a []string) []string {
-	var x []string
-	for n, s := range a {
-		if s != "" {
-			x = append(x, s)
-			for i := n + 1; i < len(a); i++ {
-				if a[i] == s {
-					a[i] = ""
-				}
-			}
+	seen := make(map[string]bool)
+	seen[""] = true
+	j := 0
+	for _, s := range a {
+		if !seen[s] {
+			seen[s] = true
+			a[j] = s
+			j++
 		}
 	}
-	return x
+	return a[:j]
 }
 
 var ziggies = make(map[string]*rsa.PrivateKey)
diff --git a/web.go b/web.go
index 42ff924..ef4786f 100644
--- a/web.go
+++ b/web.go
@@ -1534,13 +1534,11 @@ func fingerlicker(w http.ResponseWriter, r *http.Request) {
 	j := junk.New()
 	j["subject"] = fmt.Sprintf("acct:%s@%s", user.Name, serverName)
 	j["aliases"] = []string{user.URL}
-	var links []junk.Junk
 	l := junk.New()
 	l["rel"] = "self"
 	l["type"] = `application/activity+json`
 	l["href"] = user.URL
-	links = append(links, l)
-	j["links"] = links
+	j["links"] = []junk.Junk{l}
 
 	w.Header().Set("Cache-Control", "max-age=3600")
 	w.Header().Set("Content-Type", "application/jrd+json")
@@ -1565,6 +1563,7 @@ func servecss(w http.ResponseWriter, r *http.Request) {
 		http.NotFound(w, r)
 		return
 	}
+	defer fd.Close()
 	w.Header().Set("Cache-Control", "max-age=0")
 	w.Header().Set("Content-Type", "text/css; charset=utf-8")
 	err = css.Filter(fd, w)