diff --git a/services/inputflinger/reader/InputDevice.cpp b/services/inputflinger/reader/InputDevice.cpp
index b0c4488..6b02852 100644
--- a/services/inputflinger/reader/InputDevice.cpp
+++ b/services/inputflinger/reader/InputDevice.cpp
@@ -446,7 +446,7 @@
 
     // Switch-like devices.
     if (classes.test(InputDeviceClass::SWITCH)) {
-        mappers.push_back(std::make_unique<SwitchInputMapper>(contextPtr, readerConfig));
+        mappers.push_back(createInputMapper<SwitchInputMapper>(contextPtr, readerConfig));
     }
 
     // Scroll wheel-like devices.
diff --git a/services/inputflinger/reader/mapper/SwitchInputMapper.h b/services/inputflinger/reader/mapper/SwitchInputMapper.h
index 7ec282b..2fb48bb 100644
--- a/services/inputflinger/reader/mapper/SwitchInputMapper.h
+++ b/services/inputflinger/reader/mapper/SwitchInputMapper.h
@@ -22,8 +22,10 @@
 
 class SwitchInputMapper : public InputMapper {
 public:
-    explicit SwitchInputMapper(InputDeviceContext& deviceContext,
-                               const InputReaderConfiguration& readerConfig);
+    template <class T, class... Args>
+    friend std::unique_ptr<T> createInputMapper(InputDeviceContext& deviceContext,
+                                                const InputReaderConfiguration& readerConfig,
+                                                Args... args);
     virtual ~SwitchInputMapper();
 
     virtual uint32_t getSources() const override;
@@ -36,6 +38,8 @@
     uint32_t mSwitchValues;
     uint32_t mUpdatedSwitchMask;
 
+    explicit SwitchInputMapper(InputDeviceContext& deviceContext,
+                               const InputReaderConfiguration& readerConfig);
     void processSwitch(int32_t switchCode, int32_t switchValue);
     [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when);
 };
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index c34dcac..7d0fe4d 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -2603,13 +2603,13 @@
 };
 
 TEST_F(SwitchInputMapperTest, GetSources) {
-    SwitchInputMapper& mapper = addMapperAndConfigure<SwitchInputMapper>();
+    SwitchInputMapper& mapper = constructAndAddMapper<SwitchInputMapper>();
 
     ASSERT_EQ(uint32_t(AINPUT_SOURCE_SWITCH), mapper.getSources());
 }
 
 TEST_F(SwitchInputMapperTest, GetSwitchState) {
-    SwitchInputMapper& mapper = addMapperAndConfigure<SwitchInputMapper>();
+    SwitchInputMapper& mapper = constructAndAddMapper<SwitchInputMapper>();
 
     mFakeEventHub->setSwitchState(EVENTHUB_ID, SW_LID, 1);
     ASSERT_EQ(1, mapper.getSwitchState(AINPUT_SOURCE_ANY, SW_LID));
@@ -2619,7 +2619,7 @@
 }
 
 TEST_F(SwitchInputMapperTest, Process) {
-    SwitchInputMapper& mapper = addMapperAndConfigure<SwitchInputMapper>();
+    SwitchInputMapper& mapper = constructAndAddMapper<SwitchInputMapper>();
     std::list<NotifyArgs> out;
     out = process(mapper, ARBITRARY_TIME, READ_TIME, EV_SW, SW_LID, 1);
     ASSERT_TRUE(out.empty());