diff --git a/22-maps/01-english-dict-slice/main.go b/22-maps/01-english-dict/01-as-a-slice/main.go
similarity index 100%
rename from 22-maps/01-english-dict-slice/main.go
rename to 22-maps/01-english-dict/01-as-a-slice/main.go
diff --git a/22-maps/02-english-dict-map/main.go b/22-maps/01-english-dict/02-as-a-map/main.go
similarity index 100%
rename from 22-maps/02-english-dict-map/main.go
rename to 22-maps/01-english-dict/02-as-a-map/main.go
diff --git a/22-maps/03-english-dict-map-populate/main.go b/22-maps/02-english-dict-map-populate/main.go
similarity index 100%
rename from 22-maps/03-english-dict-map-populate/main.go
rename to 22-maps/02-english-dict-map-populate/main.go
diff --git a/22-maps/04-internals-cloning/main.go b/22-maps/03-internals-cloning/main.go
similarity index 100%
rename from 22-maps/04-internals-cloning/main.go
rename to 22-maps/03-internals-cloning/main.go
diff --git a/22-maps/05-sets/main.go b/22-maps/05-sets/main.go
deleted file mode 100644
index f436a5b..0000000
--- a/22-maps/05-sets/main.go
+++ /dev/null
@@ -1,35 +0,0 @@
-// For more tutorials: https://blog.learngoprogramming.com
-//
-// Copyright © 2018 Inanc Gumus
-// Learn Go Programming Course
-// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
-//
-
-package main
-
-import "fmt"
-
-func main() {
-	coders := []string{"pike", "thompson", "lovelace", "knuth"}
-	gophers := make(map[string]bool, len(coders))
-
-	gophers["thompson"] = true
-	gophers["pike"] = true
-
-	fmt.Println(gophers["pike"])
-	fmt.Println(gophers["lovelace"])
-
-	// unnecessary
-	// if _, ok := gophers["pike"]; ok {
-	// 	fmt.Println("pike is a gopher")
-	// } else {
-	// 	fmt.Println("pike is NOT a gopher")
-	// }
-
-	// easier
-	if gophers["pike"] {
-		fmt.Println("pike is a gopher")
-	} else {
-		fmt.Println("pike is NOT a gopher")
-	}
-}