diff --git a/services/inputflinger/tests/InputClassifierConverter_test.cpp b/services/inputflinger/tests/InputClassifierConverter_test.cpp
index ba1c7c9..f58b628 100644
--- a/services/inputflinger/tests/InputClassifierConverter_test.cpp
+++ b/services/inputflinger/tests/InputClassifierConverter_test.cpp
@@ -42,9 +42,9 @@
                                 AINPUT_SOURCE_ANY, ADISPLAY_ID_DEFAULT, 4 /*policyFlags*/,
                                 AMOTION_EVENT_ACTION_DOWN, 0 /*actionButton*/, 0 /*flags*/,
                                 AMETA_NONE, 0 /*buttonState*/, MotionClassification::NONE,
-                                AMOTION_EVENT_EDGE_FLAG_NONE, 5 /*deviceTimestamp*/,
-                                1 /*pointerCount*/, &properties, &coords, 0 /*xPrecision*/,
-                                0 /*yPrecision*/, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                                AMOTION_EVENT_EDGE_FLAG_NONE, 1 /*pointerCount*/, &properties,
+                                &coords, 0 /*xPrecision*/, 0 /*yPrecision*/,
+                                AMOTION_EVENT_INVALID_CURSOR_POSITION,
                                 AMOTION_EVENT_INVALID_CURSOR_POSITION, downTime,
                                 {} /*videoFrames*/);
     return motionArgs;
diff --git a/services/inputflinger/tests/InputClassifier_test.cpp b/services/inputflinger/tests/InputClassifier_test.cpp
index 9bc4282..40086ef 100644
--- a/services/inputflinger/tests/InputClassifier_test.cpp
+++ b/services/inputflinger/tests/InputClassifier_test.cpp
@@ -42,9 +42,9 @@
                                 AINPUT_SOURCE_ANY, ADISPLAY_ID_DEFAULT, 4 /*policyFlags*/,
                                 AMOTION_EVENT_ACTION_DOWN, 0 /*actionButton*/, 0 /*flags*/,
                                 AMETA_NONE, 0 /*buttonState*/, MotionClassification::NONE,
-                                AMOTION_EVENT_EDGE_FLAG_NONE, 5 /*deviceTimestamp*/,
-                                1 /*pointerCount*/, &properties, &coords, 0 /*xPrecision*/,
-                                0 /*yPrecision*/, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                                AMOTION_EVENT_EDGE_FLAG_NONE, 1 /*pointerCount*/, &properties,
+                                &coords, 0 /*xPrecision*/, 0 /*yPrecision*/,
+                                AMOTION_EVENT_INVALID_CURSOR_POSITION,
                                 AMOTION_EVENT_INVALID_CURSOR_POSITION, downTime,
                                 {} /*videoFrames*/);
     return motionArgs;
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index c28a621..a86dcbc 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -608,8 +608,8 @@
     NotifyMotionArgs args(/* sequenceNum */ 0, currentTime, DEVICE_ID, source, displayId,
                           POLICY_FLAG_PASS_TO_USER, action, /* actionButton */ 0, /* flags */ 0,
                           AMETA_NONE, /* buttonState */ 0, MotionClassification::NONE,
-                          AMOTION_EVENT_EDGE_FLAG_NONE, /* deviceTimestamp */ 0, 1,
-                          pointerProperties, pointerCoords, /* xPrecision */ 0, /* yPrecision */ 0,
+                          AMOTION_EVENT_EDGE_FLAG_NONE, 1, pointerProperties, pointerCoords,
+                          /* xPrecision */ 0, /* yPrecision */ 0,
                           AMOTION_EVENT_INVALID_CURSOR_POSITION,
                           AMOTION_EVENT_INVALID_CURSOR_POSITION, currentTime, /* videoFrames */ {});
 
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index d353028..e108834 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -4688,7 +4688,6 @@
     void processSlot(MultiTouchInputMapper* mapper, int32_t slot);
     void processToolType(MultiTouchInputMapper* mapper, int32_t toolType);
     void processKey(MultiTouchInputMapper* mapper, int32_t code, int32_t value);
-    void processTimestamp(MultiTouchInputMapper* mapper, uint32_t value);
     void processMTSync(MultiTouchInputMapper* mapper);
     void processSync(MultiTouchInputMapper* mapper);
 };
@@ -4804,10 +4803,6 @@
     process(mapper, ARBITRARY_TIME, EV_KEY, code, value);
 }
 
-void MultiTouchInputMapperTest::processTimestamp(MultiTouchInputMapper* mapper, uint32_t value) {
-    process(mapper, ARBITRARY_TIME, EV_MSC, MSC_TIMESTAMP, value);
-}
-
 void MultiTouchInputMapperTest::processMTSync(MultiTouchInputMapper* mapper) {
     process(mapper, ARBITRARY_TIME, EV_SYN, SYN_MT_REPORT, 0);
 }
@@ -6190,64 +6185,6 @@
             toDisplayX(150), toDisplayY(250), 0, 0, 0, 0, 0, 0, 0, 0));
 }
 
-TEST_F(MultiTouchInputMapperTest, Process_HandlesTimestamp) {
-    MultiTouchInputMapper* mapper = new MultiTouchInputMapper(mDevice);
-
-    addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
-    prepareAxes(POSITION);
-    addMapperAndConfigure(mapper);
-    NotifyMotionArgs args;
-
-    // By default, deviceTimestamp should be zero
-    processPosition(mapper, 100, 100);
-    processMTSync(mapper);
-    processSync(mapper);
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
-    ASSERT_EQ(0U, args.deviceTimestamp);
-
-    // Now the timestamp of 1000 is reported by evdev and should appear in MotionArgs
-    processPosition(mapper, 0, 0);
-    processTimestamp(mapper, 1000);
-    processMTSync(mapper);
-    processSync(mapper);
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
-    ASSERT_EQ(1000U, args.deviceTimestamp);
-}
-
-TEST_F(MultiTouchInputMapperTest, WhenMapperIsReset_TimestampIsCleared) {
-    MultiTouchInputMapper* mapper = new MultiTouchInputMapper(mDevice);
-
-    addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
-    prepareAxes(POSITION);
-    addMapperAndConfigure(mapper);
-    NotifyMotionArgs args;
-
-    // Send a touch event with a timestamp
-    processPosition(mapper, 100, 100);
-    processTimestamp(mapper, 1);
-    processMTSync(mapper);
-    processSync(mapper);
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
-    ASSERT_EQ(1U, args.deviceTimestamp);
-
-    // Since the data accumulates, and new timestamp has not arrived, deviceTimestamp won't change
-    processPosition(mapper, 100, 200);
-    processMTSync(mapper);
-    processSync(mapper);
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
-    ASSERT_EQ(1U, args.deviceTimestamp);
-
-    mapper->reset(/* when */ 0);
-    // After the mapper is reset, deviceTimestamp should become zero again
-    processPosition(mapper, 100, 300);
-    processMTSync(mapper);
-    processSync(mapper);
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
-    ASSERT_EQ(0U, args.deviceTimestamp);
-}
-
 /**
  * Set the input device port <--> display port associations, and check that the
  * events are routed to the display that matches the display port.