diff --git a/cscore/src/main/native/cpp/cscore_c.cpp b/cscore/src/main/native/cpp/cscore_c.cpp
index ffbc1640ad..3fbbfcda37 100644
--- a/cscore/src/main/native/cpp/cscore_c.cpp
+++ b/cscore/src/main/native/cpp/cscore_c.cpp
@@ -516,7 +516,7 @@ void CS_FreeEnumeratedVideoModes(CS_VideoMode* modes, int count) {
   std::free(modes);
 }
 
-char* CS_GetHostname() {
+char* CS_GetHostname(void) {
   return cs::ConvertToC(cs::GetHostname());
 }
 
diff --git a/cscore/src/main/native/include/cscore_c.h b/cscore/src/main/native/include/cscore_c.h
index fb3f3f88a2..3d30a0e7ec 100644
--- a/cscore/src/main/native/include/cscore_c.h
+++ b/cscore/src/main/native/include/cscore_c.h
@@ -504,7 +504,7 @@ void CS_FreeHttpCameraUrls(char** urls, int count);
 void CS_FreeEnumeratedProperties(CS_Property* properties, int count);
 void CS_FreeEnumeratedVideoModes(CS_VideoMode* modes, int count);
 
-char* CS_GetHostname();
+char* CS_GetHostname(void);
 
 char** CS_GetNetworkInterfaces(int* count);
 void CS_FreeNetworkInterfaces(char** interfaces, int count);
diff --git a/cscore/src/main/native/objcpp/UsbCameraImplObjc.mm b/cscore/src/main/native/objcpp/UsbCameraImplObjc.mm
index 0b8f18a0b5..ac644f29ee 100644
--- a/cscore/src/main/native/objcpp/UsbCameraImplObjc.mm
+++ b/cscore/src/main/native/objcpp/UsbCameraImplObjc.mm
@@ -328,8 +328,6 @@ static cs::VideoMode::PixelFormat FourCCToPixelFormat(FourCharCode fourcc) {
   @autoreleasepool {
     NSArray<AVCaptureDeviceFormat*>* formats = self.videoDevice.formats;
 
-    int count = 0;
-
     for (AVCaptureDeviceFormat* format in formats) {
       CMFormatDescriptionRef cmformat = format.formatDescription;
       CMVideoDimensions s1 = CMVideoFormatDescriptionGetDimensions(cmformat);
@@ -363,7 +361,6 @@ static cs::VideoMode::PixelFormat FourCCToPixelFormat(FourCharCode fourcc) {
 
       modes.emplace_back(store.mode);
       platformModes.emplace_back(store);
-      count++;
     }
   }