diff --git a/include/libcamera/internal/ipa_module.h b/include/libcamera/internal/ipa_module.h
index 6355671fd861..c2df2476b2ff 100644
--- a/include/libcamera/internal/ipa_module.h
+++ b/include/libcamera/internal/ipa_module.h
@@ -52,7 +52,7 @@ private:
 	bool loaded_;
 
 	void *dlHandle_;
-	typedef struct ipa_context *(*IPAIntfFactory)(void);
+	typedef struct ipa_context *(*IPAIntfFactory)();
 	IPAIntfFactory ipaCreate_;
 };
 
diff --git a/src/android/camera3_hal.cpp b/src/android/camera3_hal.cpp
index 716e36c72b83..decaf59e6915 100644
--- a/src/android/camera3_hal.cpp
+++ b/src/android/camera3_hal.cpp
@@ -22,7 +22,7 @@ static CameraHalManager cameraManager;
  * Android Camera HAL callbacks
  */
 
-static int hal_get_number_of_cameras(void)
+static int hal_get_number_of_cameras()
 {
 	return cameraManager.numCameras();
 }
diff --git a/src/gstreamer/gstlibcameraallocator.cpp b/src/gstreamer/gstlibcameraallocator.cpp
index 1d5959c076cb..78ded4022bda 100644
--- a/src/gstreamer/gstlibcameraallocator.cpp
+++ b/src/gstreamer/gstlibcameraallocator.cpp
@@ -70,7 +70,7 @@ FrameWrap::~FrameWrap()
 	}
 }
 
-GQuark FrameWrap::getQuark(void)
+GQuark FrameWrap::getQuark()
 {
 	static gsize frame_quark = 0;
 
diff --git a/src/gstreamer/gstlibcamerapad.cpp b/src/gstreamer/gstlibcamerapad.cpp
index e184495aed5a..9f3e2be53b66 100644
--- a/src/gstreamer/gstlibcamerapad.cpp
+++ b/src/gstreamer/gstlibcamerapad.cpp
@@ -84,7 +84,7 @@ gst_libcamera_pad_init(GstLibcameraPad *self)
 }
 
 static GType
-gst_libcamera_stream_role_get_type(void)
+gst_libcamera_stream_role_get_type()
 {
 	static GType type = 0;
 	static const GEnumValue values[] = {