diff --git a/models/User.js b/models/User.js
index 4660e7fd98..a7b0e5bec7 100644
--- a/models/User.js
+++ b/models/User.js
@@ -6,11 +6,11 @@ var userSchema = new mongoose.Schema({
   email: { type: String, unique: true },
   password: String,
 
-  facebook: { type: String, unique: true, sparse: true },
-  twitter: { type: String, unique: true, sparse: true },
-  google: { type: String, unique: true, sparse: true },
-  github: { type: String, unique: true, sparse: true },
-  linkedin: { type: String, unique: true, sparse: true },
+  facebook: String,
+  twitter: String,
+  google: String,
+  github: String,
+  linkedin: String,
   tokens: Array,
 
   profile: {