diff --git a/fod/FingerprintInscreen.cpp b/fod/FingerprintInscreen.cpp
index c541493..cc8e5a7 100644
--- a/fod/FingerprintInscreen.cpp
+++ b/fod/FingerprintInscreen.cpp
@@ -126,7 +126,7 @@ Return<void> FingerprintInscreen::setLongPressEnabled(bool) {
     return Void();
 }
 
-Return<int32_t> FingerprintInscreen::getDimAmount(int32_t brightness) {
+Return<int32_t> FingerprintInscreen::getDimAmount(int32_t /* brightness */) {
     int realBrightness = get(BRIGHTNESS_PATH, 0);
     float alpha;
 
@@ -136,8 +136,6 @@ Return<int32_t> FingerprintInscreen::getDimAmount(int32_t brightness) {
         alpha = 1.0 - pow(realBrightness / 1680.0, 0.455);
     }
 
-    (void) brightness;
-
     return 255 * alpha;
 }
 
@@ -145,8 +143,7 @@ Return<bool> FingerprintInscreen::shouldBoostBrightness() {
     return false;
 }
 
-Return<void> FingerprintInscreen::setCallback(const sp<::vendor::lineage::biometrics::fingerprint::inscreen::V1_0::IFingerprintInscreenCallback>& callback) {
-    (void) callback;
+Return<void> FingerprintInscreen::setCallback(const sp<IFingerprintInscreenCallback>& /* callback */) {
     return Void();
 }
 
diff --git a/fod/FingerprintInscreen.h b/fod/FingerprintInscreen.h
index 30f362b..9ee8ac4 100644
--- a/fod/FingerprintInscreen.h
+++ b/fod/FingerprintInscreen.h
@@ -50,7 +50,7 @@ public:
     Return<void> setLongPressEnabled(bool enabled) override;
     Return<int32_t> getDimAmount(int32_t brightness) override;
     Return<bool> shouldBoostBrightness() override;
-    Return<void> setCallback(const sp<::vendor::lineage::biometrics::fingerprint::inscreen::V1_0::IFingerprintInscreenCallback>& callback) override;
+    Return<void> setCallback(const sp<IFingerprintInscreenCallback>& callback) override;
 
 private:
     sp<IXiaomiFingerprint> xiaomiFingerprintService;