diff --git a/include/libcamera/camera.h b/include/libcamera/camera.h
index 326b14d0ca01..d71641805c0a 100644
--- a/include/libcamera/camera.h
+++ b/include/libcamera/camera.h
@@ -74,7 +74,7 @@ protected:
 class Camera final : public Object, public std::enable_shared_from_this<Camera>,
 		     public Extensible
 {
-	LIBCAMERA_DECLARE_PRIVATE(Camera)
+	LIBCAMERA_DECLARE_PRIVATE()

 public:
 	static std::shared_ptr<Camera> create(PipelineHandler *pipe,
diff --git a/include/libcamera/camera_manager.h b/include/libcamera/camera_manager.h
index 35a59f0df4ca..c2f0b786da8e 100644
--- a/include/libcamera/camera_manager.h
+++ b/include/libcamera/camera_manager.h
@@ -22,7 +22,7 @@ class Camera;

 class CameraManager : public Object, public Extensible
 {
-	LIBCAMERA_DECLARE_PRIVATE(CameraManager)
+	LIBCAMERA_DECLARE_PRIVATE()
 public:
 	CameraManager();
 	~CameraManager();
diff --git a/include/libcamera/class.h b/include/libcamera/class.h
index 920624d8e726..466114ecfaf4 100644
--- a/include/libcamera/class.h
+++ b/include/libcamera/class.h
@@ -30,7 +30,7 @@ namespace libcamera {
 #endif

 #ifndef __DOXYGEN__
-#define LIBCAMERA_DECLARE_PRIVATE(klass)				\
+#define LIBCAMERA_DECLARE_PRIVATE()					\
 public:									\
 	class Private;							\
 	friend class Private;
@@ -46,7 +46,7 @@ public:									\
 	_o<Public>();

 #else
-#define LIBCAMERA_DECLARE_PRIVATE(klass)
+#define LIBCAMERA_DECLARE_PRIVATE()
 #define LIBCAMERA_DECLARE_PUBLIC(klass)
 #define LIBCAMERA_D_PTR(klass)
 #define LIBCAMERA_O_PTR(klass)
diff --git a/src/android/camera_buffer.h b/src/android/camera_buffer.h
index 7e8970b49f49..c88124b2b3f3 100644
--- a/src/android/camera_buffer.h
+++ b/src/android/camera_buffer.h
@@ -14,7 +14,7 @@

 class CameraBuffer final : public libcamera::Extensible
 {
-	LIBCAMERA_DECLARE_PRIVATE(CameraBuffer)
+	LIBCAMERA_DECLARE_PRIVATE()

 public:
 	CameraBuffer(buffer_handle_t camera3Buffer, int flags);
diff --git a/src/libcamera/class.cpp b/src/libcamera/class.cpp
index 340b7de7911c..171f7c0a927b 100644
--- a/src/libcamera/class.cpp
+++ b/src/libcamera/class.cpp
@@ -77,12 +77,10 @@ namespace libcamera {
 /**
  * \def LIBCAMERA_DECLARE_PRIVATE
  * \brief Declare private data for a public class
- * \param klass The public class name
  *
  * The LIBCAMERA_DECLARE_PRIVATE() macro plumbs the infrastructure necessary to
  * make a class manage its private data through a d-pointer. It shall be used at
- * the very top of the class definition, with the public class name passed as
- * the \a klass parameter.
+ * the very top of the class definition.
  */

 /**