diff --git a/cscore/src/main/native/linux/NetworkListener.cpp b/cscore/src/main/native/linux/NetworkListener.cpp
index ed3d966589..1cfc6cea17 100644
--- a/cscore/src/main/native/linux/NetworkListener.cpp
+++ b/cscore/src/main/native/linux/NetworkListener.cpp
@@ -132,8 +132,9 @@ void NetworkListener::Impl::Thread::Main() {
       break;  // XXX: is this the right thing to do here?
     }
     if (len == 0) continue;  // EOF?
+    unsigned int ulen = static_cast<unsigned int>(len);
     for (struct nlmsghdr* nh = reinterpret_cast<struct nlmsghdr*>(buf);
-         NLMSG_OK(nh, len); nh = NLMSG_NEXT(nh, len)) {
+         NLMSG_OK(nh, ulen); nh = NLMSG_NEXT(nh, ulen)) {
       if (nh->nlmsg_type == NLMSG_DONE) break;
       if (nh->nlmsg_type == RTM_NEWLINK || nh->nlmsg_type == RTM_DELLINK ||
           nh->nlmsg_type == RTM_NEWADDR || nh->nlmsg_type == RTM_DELADDR) {
diff --git a/cscore/src/main/native/linux/UsbCameraImpl.cpp b/cscore/src/main/native/linux/UsbCameraImpl.cpp
index 9b54a00abb..4cd55f90bb 100644
--- a/cscore/src/main/native/linux/UsbCameraImpl.cpp
+++ b/cscore/src/main/native/linux/UsbCameraImpl.cpp
@@ -448,7 +448,7 @@ void UsbCameraImpl::DeviceDisconnect() {
 
   // Unmap buffers
   for (int i = 0; i < kNumBuffers; ++i)
-    m_buffers[i] = std::move(UsbCameraBuffer{});
+    m_buffers[i] = UsbCameraBuffer{};
 
   // Close device
   close(fd);
@@ -534,11 +534,11 @@ void UsbCameraImpl::DeviceConnect() {
     SDEBUG4("buf " << i << " length=" << buf.length
                    << " offset=" << buf.m.offset);
 
-    m_buffers[i] = std::move(UsbCameraBuffer(fd, buf.length, buf.m.offset));
+    m_buffers[i] = UsbCameraBuffer(fd, buf.length, buf.m.offset);
     if (!m_buffers[i].m_data) {
       SWARNING("could not map buffer " << i);
       // release other buffers
-      for (int j = 0; j < i; ++j) m_buffers[j] = std::move(UsbCameraBuffer{});
+      for (int j = 0; j < i; ++j) m_buffers[j] = UsbCameraBuffer{};
       close(fd);
       m_fd = -1;
       return;
diff --git a/wpiutil/src/main/native/cpp/json_serializer.h b/wpiutil/src/main/native/cpp/json_serializer.h
index a9b36d2b49..6983920fdd 100644
--- a/wpiutil/src/main/native/cpp/json_serializer.h
+++ b/wpiutil/src/main/native/cpp/json_serializer.h
@@ -52,10 +52,8 @@ class json::serializer
     @param[in] ichar  indentation character to use
     */
     serializer(raw_ostream& s, const char ichar)
-        : o(s), loc(std::localeconv()),
-          thousands_sep(loc->thousands_sep == nullptr ? '\0' : * (loc->thousands_sep)),
-          decimal_point(loc->decimal_point == nullptr ? '\0' : * (loc->decimal_point)),
-          indent_char(ichar), indent_string(512, indent_char)
+        : o(s), loc(std::localeconv()), indent_char(ichar),
+          indent_string(512, indent_char)
     {}
 
     // delete because of pointer members
@@ -189,13 +187,6 @@ class json::serializer
 
     /// the locale
     const std::lconv* loc = nullptr;
-    /// the locale's thousand separator character
-    const char thousands_sep = '\0';
-    /// the locale's decimal point character
-    const char decimal_point = '\0';
-
-    /// string buffer
-    std::array<char, 512> string_buffer{{}};
 
     /// the indentation character
     const char indent_char;