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diff --git a/cmds/statsd/src/metrics/duration_helper/OringDurationTracker.h b/cmds/statsd/src/metrics/duration_helper/OringDurationTracker.h
deleted file mode 100644
index bd8017a7decd..000000000000
--- a/cmds/statsd/src/metrics/duration_helper/OringDurationTracker.h
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@@ -1,93 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ORING_DURATION_TRACKER_H
-#define ORING_DURATION_TRACKER_H
-
-#include "DurationTracker.h"
-
-namespace android {
-namespace os {
-namespace statsd {
-
-// Tracks the "Or'd" duration -- if 2 durations are overlapping, they won't be double counted.
-class OringDurationTracker : public DurationTracker {
-public:
-    OringDurationTracker(const ConfigKey& key, const int64_t& id,
-                         const MetricDimensionKey& eventKey, sp<ConditionWizard> wizard,
-                         int conditionIndex, bool nesting, int64_t currentBucketStartNs,
-                         int64_t currentBucketNum, int64_t startTimeNs, int64_t bucketSizeNs,
-                         bool conditionSliced, bool fullLink,
-                         const std::vector<sp<DurationAnomalyTracker>>& anomalyTrackers);
-
-    OringDurationTracker(const OringDurationTracker& tracker) = default;
-
-    void noteStart(const HashableDimensionKey& key, bool condition, const int64_t eventTime,
-                   const ConditionKey& conditionKey) override;
-    void noteStop(const HashableDimensionKey& key, const int64_t eventTime,
-                  const bool stopAll) override;
-    void noteStopAll(const int64_t eventTime) override;
-
-    void onSlicedConditionMayChange(bool overallCondition, const int64_t timestamp) override;
-    void onConditionChanged(bool condition, const int64_t timestamp) override;
-
-    void onStateChanged(const int64_t timestamp, const int32_t atomId,
-                        const FieldValue& newState) override;
-
-    bool flushCurrentBucket(
-            const int64_t& eventTimeNs,
-            std::unordered_map<MetricDimensionKey, std::vector<DurationBucket>>* output) override;
-    bool flushIfNeeded(
-            int64_t timestampNs,
-            std::unordered_map<MetricDimensionKey, std::vector<DurationBucket>>* output) override;
-
-    int64_t predictAnomalyTimestampNs(const DurationAnomalyTracker& anomalyTracker,
-                                      const int64_t currentTimestamp) const override;
-    void dumpStates(FILE* out, bool verbose) const override;
-
-    int64_t getCurrentStateKeyDuration() const override;
-
-    int64_t getCurrentStateKeyFullBucketDuration() const override;
-
-    void updateCurrentStateKey(const int32_t atomId, const FieldValue& newState);
-
-private:
-    // We don't need to keep track of individual durations. The information that's needed is:
-    // 1) which keys are started. We record the first start time.
-    // 2) which keys are paused (started but condition was false)
-    // 3) whenever a key stops, we remove it from the started set. And if the set becomes empty,
-    //    it means everything has stopped, we then record the end time.
-    std::unordered_map<HashableDimensionKey, int> mStarted;
-    std::unordered_map<HashableDimensionKey, int> mPaused;
-    int64_t mLastStartTime;
-    std::unordered_map<HashableDimensionKey, ConditionKey> mConditionKeyMap;
-
-    // return true if we should not allow newKey to be tracked because we are above the threshold
-    bool hitGuardRail(const HashableDimensionKey& newKey);
-
-    FRIEND_TEST(OringDurationTrackerTest, TestDurationOverlap);
-    FRIEND_TEST(OringDurationTrackerTest, TestCrossBucketBoundary);
-    FRIEND_TEST(OringDurationTrackerTest, TestDurationConditionChange);
-    FRIEND_TEST(OringDurationTrackerTest, TestPredictAnomalyTimestamp);
-    FRIEND_TEST(OringDurationTrackerTest, TestAnomalyDetectionExpiredAlarm);
-    FRIEND_TEST(OringDurationTrackerTest, TestAnomalyDetectionFiredAlarm);
-};
-
-}  // namespace statsd
-}  // namespace os
-}  // namespace android
-
-#endif  // ORING_DURATION_TRACKER_H