diff --git a/envconf.go b/envconf.go
index 813ff7d..61ae76c 100644
--- a/envconf.go
+++ b/envconf.go
@@ -55,7 +55,6 @@ func NewConfig() *Config {
 						if len(config.mapEnv[left]) == 0 {
 							config.mapEnv[left] = make(map[string]string)
 						}
-						fmt.Printf("left=(%s), right=(%s), key=(%s)\n", left, right, key)
 						config.mapEnv[left][right] = key
 					}
 				}
@@ -86,11 +85,9 @@ func (c *Config) Define(key string, dtype DataType) {
 // Variables without a defined type will be ignored by Parse.
 func (c *Config) DefineMap(key string, dtype DataType) {
 	key = cleanKey(key)
-	fmt.Println(c.mapEnv)
 	entries, ok := c.mapEnv[key]
 	if ok {
 		for _, key = range entries {
-			fmt.Printf("key-from-define-map (%s)\n", key)
 			entry := c.env[key]
 			entry.dtype = dtype
 			c.env[key] = entry
diff --git a/tests/main.go b/tests/main.go
index 1fae9da..a7d4254 100644
--- a/tests/main.go
+++ b/tests/main.go
@@ -8,7 +8,7 @@ import (
 func main() {
 	conf := envconf.NewConfig()
 	conf.Define("this_is_a_map", envconf.TypeInt)
-	conf.Define("test_map", envconf.TypeInt)
+	conf.DefineMap("test_map", envconf.TypeInt)
 	conf.Parse()
 	conf.Status()