diff --git a/Gemfile b/Gemfile
index 325d311547ffdecc7e041e8033f2f45af0b653f7..739e7cc0c7b64ac052556c74a30ef3f58ec340c6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,6 @@ gem "diffy"
 gem "mediawiki_api"
 gem "net-ssh"
 gem "rbnacl", "~> 3.2", "< 5.0"
-gem "rbnacl-libsodium"
 gem "bcrypt_pbkdf", "~> 1.0"
 gem "dns-zone"
 gem "ruby-cute", :require => "cute"
diff --git a/Gemfile.lock b/Gemfile.lock
index 064aba4b3f52cc4f2b389ba816faad04a341e9b1..488a72eaad45b334bbbd75b3f46f30f2bb3d6ff9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -106,8 +106,6 @@ GEM
     rb-readline (0.5.5)
     rbnacl (3.4.0)
       ffi
-    rbnacl-libsodium (1.0.15.1)
-      rbnacl (>= 3.0.1)
     regexp_parser (1.6.0)
     rest-client (1.8.0)
       http-cookie (>= 1.0.2, < 2.0)
@@ -200,7 +198,6 @@ DEPENDENCIES
   net-ssh
   peach
   rbnacl (~> 3.2, < 5.0)
-  rbnacl-libsodium
   restfully
   rspec
   ruby-cute