diff --git a/src/Server.php b/src/Server.php
index 1c46a0eb..535b7d21 100644
--- a/src/Server.php
+++ b/src/Server.php
@@ -113,26 +113,6 @@ class Server implements EmitterAwareInterface
         return $this->defaultAccessTokenTTL;
     }
 
-    /**
-     * Set the delimiter string used to separate scopes in a request
-     *
-     * @param string $scopeDelimiterString
-     */
-    public function setScopeDelimiterString($scopeDelimiterString)
-    {
-        $this->scopeDelimiterString = $scopeDelimiterString;
-    }
-
-    /**
-     * Get the delimiter string used to separate scopes in a request
-     *
-     * @return string
-     */
-    protected function getScopeDelimiterString()
-    {
-        return $this->scopeDelimiterString;
-    }
-
     /**
      * Enable a grant type on the server
      *
@@ -188,8 +168,7 @@ class Server implements EmitterAwareInterface
                 $tokenResponse = $grantType->respondToRequest(
                     $request,
                     $this->grantResponseTypes[$grantType->getIdentifier()],
-                    $this->grantTypeAccessTokenTTL[$grantType->getIdentifier()],
-                    $this->getScopeDelimiterString()
+                    $this->grantTypeAccessTokenTTL[$grantType->getIdentifier()]
                 );
             }
         }