diff --git a/Classes/BITAuthenticator.m b/Classes/BITAuthenticator.m
index 80c872cc43..10c82407ac 100644
--- a/Classes/BITAuthenticator.m
+++ b/Classes/BITAuthenticator.m
@@ -605,6 +605,7 @@ static NSString* const kBITAuthenticatorAuthTokenTypeKey = @"BITAuthenticatorAut
     success = [self addStringValueToKeychainForThisDeviceOnly:[self.class stringForIdentificationType:type]
                                                        forKey:kBITAuthenticatorIdentifierTypeKey];
     NSParameterAssert(success);
+#pragma unused(success)
   }
 }