Every local church is a work in progress and can be faced with false teaching about the gospel of Jesus. The answer is given by Paul: a godly ministry. If a church is going to grow in her love for Jesus, she needs godly elders and pastors; and its the same with the issue of false teaching. Elders and pastors who pray, know the Word and love the sheep in Jesus name will bring blessing to the church.
Read Titus 1:5-16