diff --git a/config.go b/config.go
index a9ec01f..8bad627 100644
--- a/config.go
+++ b/config.go
@@ -1,7 +1,6 @@
 package main
 
 import (
-	"mime"
 	"os"
 	"text/template"
 
@@ -10,11 +9,10 @@ import (
 
 // Config contains site configuration.
 type Config struct {
-	Title      string              `toml:"title"`      // site title
-	URLs       []string            `toml:"urls"`       // site URLs
-	Feeds      map[string]string   `toml:"feeds"`      // site feeds
-	Mediatypes map[string][]string `toml:"mediatypes"` // mediatypes
-	Templates  *Templates          `toml:"-"`          // site templates
+	Title     string            `toml:"title"` // site title
+	URLs      []string          `toml:"urls"`  // site URLs
+	Feeds     map[string]string `toml:"feeds"` // site feeds
+	Templates *Templates        `toml:"-"`     // site templates
 }
 
 // LoadConfig loads the configuration from the provided path.
@@ -30,13 +28,6 @@ func LoadConfig(path string) (*Config, error) {
 		return nil, err
 	}
 
-	// Register media types
-	for typ, exts := range c.Mediatypes {
-		for _, ext := range exts {
-			mime.AddExtensionType(typ, ext)
-		}
-	}
-
 	return c, nil
 }