diff --git a/src/js_native_api_v8.cc b/src/js_native_api_v8.cc
index 134ae992ec037b..e05163c32f8265 100644
--- a/src/js_native_api_v8.cc
+++ b/src/js_native_api_v8.cc
@@ -1,4 +1,4 @@
-#include <limits.h>  // INT_MAX
+#include <climits>  // INT_MAX
 #include <cmath>
 #include <algorithm>
 #define NAPI_EXPERIMENTAL
diff --git a/src/large_pages/node_large_page.cc b/src/large_pages/node_large_page.cc
index ad599a1a91bfdc..333a119ee46cb4 100644
--- a/src/large_pages/node_large_page.cc
+++ b/src/large_pages/node_large_page.cc
@@ -20,19 +20,21 @@
 //
 // SPDX-License-Identifier: MIT
 
-#include <errno.h>   // NOLINT(build/include)
-#include <fcntl.h>   // _O_RDWR
-#include <limits.h>  // PATH_MAX
-#include <locale.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <string.h>
+#include "node_large_page.h"
+
+#include <fcntl.h>  // _O_RDWR
 #include <sys/types.h>
 #include <sys/mman.h>
 #include <unistd.h>  // readlink
 
+#include <cerrno>   // NOLINT(build/include)
+#include <climits>  // PATH_MAX
+#include <clocale>
+#include <csignal>
+#include <cstdio>
+#include <cstdlib>
+#include <cstdint>
+#include <cstring>
 #include <string>
 #include <fstream>
 #include <iostream>
diff --git a/src/node_object_wrap.h b/src/node_object_wrap.h
index 6753a703536ac5..9dce684892a2d8 100644
--- a/src/node_object_wrap.h
+++ b/src/node_object_wrap.h
@@ -23,7 +23,7 @@
 #define SRC_NODE_OBJECT_WRAP_H_
 
 #include "v8.h"
-#include <assert.h>
+#include <cassert>
 
 
 namespace node {