diff --git a/camera/nullcamera.c b/camera/nullcamera.c
index d44910976c..736bff261f 100644
--- a/camera/nullcamera.c
+++ b/camera/nullcamera.c
@@ -15,7 +15,8 @@
 
 #include "../driver.h"
 
-static void *nullcamera_init(const char *device, uint64_t caps, unsigned width, unsigned height)
+static void *nullcamera_init(const char *device, uint64_t caps,
+      unsigned width, unsigned height)
 {
    (void)device;
    return (void*)-1;
@@ -23,20 +24,28 @@ static void *nullcamera_init(const char *device, uint64_t caps, unsigned width,
 
 static void nullcamera_free(void *data)
 {
+   (void)data;
 }
 
 static bool nullcamera_start(void *data)
 {
+   (void)data;
    return true;
 }
 
 static void nullcamera_stop(void *data)
 {
+   (void)data;
 }
 
-static bool nullcamera_poll(void *data, retro_camera_frame_raw_framebuffer_t frame_raw_cb,
+static bool nullcamera_poll(void *data,
+      retro_camera_frame_raw_framebuffer_t frame_raw_cb,
       retro_camera_frame_opengl_texture_t frame_gl_cb)
 {
+   (void)data;
+   (void)frame_raw_cb;
+   (void)frame_gl_cb;
+
    return true;
 }
 
diff --git a/camera/rwebcam.c b/camera/rwebcam.c
index 26fcb5b355..0eae208b69 100644
--- a/camera/rwebcam.c
+++ b/camera/rwebcam.c
@@ -16,7 +16,8 @@
 #include "../driver.h"
 #include "../emscripten/RWebCam.h"
 
-static void *rwebcam_init(const char *device, uint64_t caps, unsigned width, unsigned height)
+static void *rwebcam_init(const char *device, uint64_t caps,
+      unsigned width, unsigned height)
 {
    (void)device;
    return RWebCamInit(caps, width, height);
@@ -37,7 +38,8 @@ static void rwebcam_stop(void *data)
    RWebCamStop(data);
 }
 
-static bool rwebcam_poll(void *data, retro_camera_frame_raw_framebuffer_t frame_raw_cb,
+static bool rwebcam_poll(void *data,
+      retro_camera_frame_raw_framebuffer_t frame_raw_cb,
       retro_camera_frame_opengl_texture_t frame_gl_cb)
 {
    return RWebCamPoll(data, frame_raw_cb, frame_gl_cb);
diff --git a/camera/video4linux2.c b/camera/video4linux2.c
index 928c090902..72d4347492 100644
--- a/camera/video4linux2.c
+++ b/camera/video4linux2.c
@@ -96,15 +96,10 @@ static bool init_mmap(void *data)
    if (xioctl(v4l->fd, VIDIOC_REQBUFS, &req) == -1)
    {
       if (errno == EINVAL)
-      {
          RARCH_ERR("%s does not support memory mapping.\n", v4l->dev_name);
-         return false;
-      }
       else
-      {
          RARCH_ERR("xioctl of VIDIOC_REQBUFS failed.\n");
-         return false;
-      }
+      return false;
    }
 
    if (req.count < 2)
@@ -164,15 +159,10 @@ static bool init_device(void *data)
    if (xioctl(v4l->fd, VIDIOC_QUERYCAP, &cap) < 0)
    {
       if (errno == EINVAL)
-      {
          RARCH_ERR("%s is no V4L2 device.\n", v4l->dev_name);
-         return false;
-      }
       else
-      {
          RARCH_ERR("Error - VIDIOC_QUERYCAP.\n");
-         return false;
-      }
+      return false;
    }
 
    if (!(cap.capabilities & V4L2_CAP_VIDEO_CAPTURE))
@@ -430,8 +420,8 @@ static bool v4l_poll(void *data,
                v4l->height, v4l->width * 4);
       return true;
    }
-   else
-      return false;
+
+   return false;
 }
 
 camera_driver_t camera_v4l2 = {