This announcement came as a shock to many, especially after head coach Kyle Shanahan's earlier comments suggesting that Wilks would be returning for the 2024 season.

On Wednesday afternoon, in a hastily scheduled conference call, Shanahan revealed the unexpected news of Wilks' departure. Although the 49ers' defense showed strong performance during the regular season, ranking third in points allowed and eighth in yards allowed, their effectiveness seemed to decline during the postseason.

In explaining the decision, Shanahan stated that he did not believe Wilks was the right fit for the team's defensive strategy moving forward. With aspirations of building a formidable defensive unit, the 49ers have opted for a major shakeup within their coaching staff.

As the NFC champions head into the offseason, Shanahan expressed the team's intention to explore both in-house and external candidates to fill the vacant defensive coordinator position. This move signifies a significant change for the franchise, as they seek to maintain their defensive prowess while adapting to the challenges of the upcoming season.

Wilks was brought in last year after DeMeco Ryans left the team to assume the role of head coach for the Houston Texans. His dismissal marks a short-lived tenure with the 49ers, leaving the team to search for a new defensive leader.

With the offseason underway, the 49ers will undoubtedly face the task of finding a suitable replacement who aligns with their defensive vision. As speculation swirls around potential candidates, the 49ers organization remains committed to ensuring the team's continued progress and success on the defensive front.

Only time will tell who will be chosen to take on this crucial role and guide the 49ers' defense into the 2024 season. As fans eagerly await further developments, it remains clear that change is in the air for the NFC West club.