diff --git a/services/surfaceflinger/Scheduler/VSyncPredictor.cpp b/services/surfaceflinger/Scheduler/VSyncPredictor.cpp
index 3b99a58..68d58f0 100644
--- a/services/surfaceflinger/Scheduler/VSyncPredictor.cpp
+++ b/services/surfaceflinger/Scheduler/VSyncPredictor.cpp
@@ -38,7 +38,7 @@
         kMinimumSamplesForPrediction(minimumSamplesForPrediction),
         kOutlierTolerancePercent(std::min(outlierTolerancePercent, kMaxPercent)),
         mIdealPeriod(idealPeriod) {
-    mRateMap[mIdealPeriod] = {idealPeriod, 0};
+    resetModel();
 }
 
 inline size_t VSyncPredictor::next(int i) const {
@@ -199,6 +199,10 @@
         mRateMap[mIdealPeriod] = {period, 0};
     }
 
+    clearTimestamps();
+}
+
+void VSyncPredictor::clearTimestamps() {
     if (!timestamps.empty()) {
         mKnownTimestamp = *std::max_element(timestamps.begin(), timestamps.end());
         timestamps.clear();
@@ -223,4 +227,10 @@
     return needsMoreSamples;
 }
 
+void VSyncPredictor::resetModel() {
+    std::lock_guard<std::mutex> lk(mMutex);
+    mRateMap[mIdealPeriod] = {mIdealPeriod, 0};
+    clearTimestamps();
+}
+
 } // namespace android::scheduler
diff --git a/services/surfaceflinger/Scheduler/VSyncPredictor.h b/services/surfaceflinger/Scheduler/VSyncPredictor.h
index 4210b3c..41e5469 100644
--- a/services/surfaceflinger/Scheduler/VSyncPredictor.h
+++ b/services/surfaceflinger/Scheduler/VSyncPredictor.h
@@ -40,6 +40,7 @@
     void addVsyncTimestamp(nsecs_t timestamp) final;
     nsecs_t nextAnticipatedVSyncTimeFrom(nsecs_t timePoint) const final;
     nsecs_t currentPeriod() const final;
+    void resetModel() final;
 
     /*
      * Inform the model that the period is anticipated to change to a new value.
@@ -48,7 +49,7 @@
      *
      * \param [in] period   The new period that should be used.
      */
-    void setPeriod(nsecs_t period);
+    void setPeriod(nsecs_t period) final;
 
     /* Query if the model is in need of more samples to make a prediction at timePoint.
      * \param [in] timePoint    The timePoint to inquire of.
@@ -61,6 +62,7 @@
 private:
     VSyncPredictor(VSyncPredictor const&) = delete;
     VSyncPredictor& operator=(VSyncPredictor const&) = delete;
+    void clearTimestamps() REQUIRES(mMutex);
 
     size_t const kHistorySize;
     size_t const kMinimumSamplesForPrediction;
diff --git a/services/surfaceflinger/Scheduler/VSyncReactor.cpp b/services/surfaceflinger/Scheduler/VSyncReactor.cpp
index a652053..57e05d3 100644
--- a/services/surfaceflinger/Scheduler/VSyncReactor.cpp
+++ b/services/surfaceflinger/Scheduler/VSyncReactor.cpp
@@ -185,7 +185,9 @@
     return mTracker->currentPeriod();
 }
 
-void VSyncReactor::beginResync() {}
+void VSyncReactor::beginResync() {
+    mTracker->resetModel();
+}
 
 void VSyncReactor::endResync() {}
 
diff --git a/services/surfaceflinger/Scheduler/VSyncTracker.h b/services/surfaceflinger/Scheduler/VSyncTracker.h
index 6be63fe..2b27884 100644
--- a/services/surfaceflinger/Scheduler/VSyncTracker.h
+++ b/services/surfaceflinger/Scheduler/VSyncTracker.h
@@ -61,6 +61,9 @@
      */
     virtual void setPeriod(nsecs_t period) = 0;
 
+    /* Inform the tracker that the samples it has are not accurate for prediction. */
+    virtual void resetModel() = 0;
+
 protected:
     VSyncTracker(VSyncTracker const&) = delete;
     VSyncTracker& operator=(VSyncTracker const&) = delete;