diff --git a/cocos/vr/CCVRGenericHeadTracker.cpp b/cocos/vr/CCVRGenericHeadTracker.cpp
index 8e5ef30c80..b72266a6b0 100644
--- a/cocos/vr/CCVRGenericHeadTracker.cpp
+++ b/cocos/vr/CCVRGenericHeadTracker.cpp
@@ -127,6 +127,8 @@ Vec3 lowPass(const Vec3& input, const Vec3& prev)
 
 #endif // (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
 
+#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS) || (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
+
 static Mat4 getRotateEulerMatrix(float x, float y, float z)
 {
     x *= static_cast<float>(M_PI) / 180.0f;
@@ -160,6 +162,8 @@ static Mat4 getRotateEulerMatrix(float x, float y, float z)
     return matrix;
 }
 
+#endif
+
 VRGenericHeadTracker::VRGenericHeadTracker()
 : _localPosition(Vec3::ZERO)
 {