diff --git a/include/libcamera/class.h b/include/libcamera/class.h
index 466114ecfaf4..f384a4889588 100644
--- a/include/libcamera/class.h
+++ b/include/libcamera/class.h
@@ -48,8 +48,8 @@ public:									\
 #else
 #define LIBCAMERA_DECLARE_PRIVATE()
 #define LIBCAMERA_DECLARE_PUBLIC(klass)
-#define LIBCAMERA_D_PTR(klass)
-#define LIBCAMERA_O_PTR(klass)
+#define LIBCAMERA_D_PTR()
+#define LIBCAMERA_O_PTR()
 #endif
 
 class Extensible
diff --git a/src/libcamera/class.cpp b/src/libcamera/class.cpp
index 171f7c0a927b..28c35633d7db 100644
--- a/src/libcamera/class.cpp
+++ b/src/libcamera/class.cpp
@@ -95,9 +95,8 @@ namespace libcamera {
  */
 
 /**
- * \def LIBCAMERA_D_PTR(klass)
+ * \def LIBCAMERA_D_PTR()
  * \brief Retrieve the private data pointer
- * \param[in] klass The public class name
  *
  * This macro can be used in any member function of a class that inherits,
  * directly or indirectly, from the Extensible class, to create a local
@@ -105,9 +104,8 @@ namespace libcamera {
  */
 
 /**
- * \def LIBCAMERA_O_PTR(klass)
+ * \def LIBCAMERA_O_PTR()
  * \brief Retrieve the public instance corresponding to the private data
- * \param[in] klass The public class name
  *
  * This macro is the counterpart of LIBCAMERA_D_PTR() for private data classes.
  * It can be used in any member function of the private data class to create a