diff --git a/libs/input/tests/InputChannel_test.cpp b/libs/input/tests/InputChannel_test.cpp
index 60feb53..02d4c07 100644
--- a/libs/input/tests/InputChannel_test.cpp
+++ b/libs/input/tests/InputChannel_test.cpp
@@ -16,8 +16,6 @@
 
 #include <array>
 
-#include "TestHelpers.h"
-
 #include <unistd.h>
 #include <time.h>
 #include <errno.h>
diff --git a/libs/input/tests/InputPublisherAndConsumer_test.cpp b/libs/input/tests/InputPublisherAndConsumer_test.cpp
index 3543020..f9d0bda 100644
--- a/libs/input/tests/InputPublisherAndConsumer_test.cpp
+++ b/libs/input/tests/InputPublisherAndConsumer_test.cpp
@@ -14,8 +14,6 @@
  * limitations under the License.
  */
 
-#include "TestHelpers.h"
-
 #include <attestation/HmacKeyManager.h>
 #include <gtest/gtest.h>
 #include <gui/constants.h>
diff --git a/libs/input/tests/TestHelpers.h b/libs/input/tests/TestHelpers.h
deleted file mode 100644
index 343d81f..0000000
--- a/libs/input/tests/TestHelpers.h
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright (C) 2010 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 TESTHELPERS_H
-#define TESTHELPERS_H
-
-#include <unistd.h>
-
-#include <utils/threads.h>
-
-namespace android {
-
-class Pipe {
-public:
-    int sendFd;
-    int receiveFd;
-
-    Pipe() {
-        int fds[2];
-        ::pipe(fds);
-
-        receiveFd = fds[0];
-        sendFd = fds[1];
-    }
-
-    ~Pipe() {
-        if (sendFd != -1) {
-            ::close(sendFd);
-        }
-
-        if (receiveFd != -1) {
-            ::close(receiveFd);
-        }
-    }
-
-    status_t writeSignal() {
-        ssize_t nWritten = ::write(sendFd, "*", 1);
-        return nWritten == 1 ? 0 : -errno;
-    }
-
-    status_t readSignal() {
-        char buf[1];
-        ssize_t nRead = ::read(receiveFd, buf, 1);
-        return nRead == 1 ? 0 : nRead == 0 ? -EPIPE : -errno;
-    }
-};
-
-class DelayedTask : public Thread {
-    int mDelayMillis;
-
-public:
-    explicit DelayedTask(int delayMillis) : mDelayMillis(delayMillis) { }
-
-protected:
-    virtual ~DelayedTask() { }
-
-    virtual void doTask() = 0;
-
-    virtual bool threadLoop() {
-        usleep(mDelayMillis * 1000);
-        doTask();
-        return false;
-    }
-};
-
-} // namespace android
-
-#endif // TESTHELPERS_H
diff --git a/libs/input/tests/TouchResampling_test.cpp b/libs/input/tests/TouchResampling_test.cpp
index 1cb7f7b..0b0bb63 100644
--- a/libs/input/tests/TouchResampling_test.cpp
+++ b/libs/input/tests/TouchResampling_test.cpp
@@ -14,8 +14,6 @@
  * limitations under the License.
  */
 
-#include "TestHelpers.h"
-
 #include <chrono>
 #include <vector>