diff --git a/make/hotspot/lib/CompileGtest.gmk b/make/hotspot/lib/CompileGtest.gmk
index 60912992134..327014b1e9d 100644
--- a/make/hotspot/lib/CompileGtest.gmk
+++ b/make/hotspot/lib/CompileGtest.gmk
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2016, 2025, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2016, 2026, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -61,7 +61,8 @@ $(eval $(call SetupJdkLibrary, BUILD_GTEST_LIBGTEST, \
     INCLUDE_FILES := gtest-all.cc gmock-all.cc, \
     DISABLED_WARNINGS_gcc := format-nonliteral maybe-uninitialized undef \
         unused-result zero-as-null-pointer-constant, \
-    DISABLED_WARNINGS_clang := format-nonliteral undef unused-result, \
+    DISABLED_WARNINGS_clang := format-nonliteral undef unused-result \
+        zero-as-null-pointer-constant, \
     DISABLED_WARNINGS_microsoft := 4530, \
     DEFAULT_CFLAGS := false, \
     CFLAGS := $(JVM_CFLAGS) \
diff --git a/src/hotspot/os/bsd/memMapPrinter_macosx.cpp b/src/hotspot/os/bsd/memMapPrinter_macosx.cpp
index 6fd08d63e85..30e258c9d2c 100644
--- a/src/hotspot/os/bsd/memMapPrinter_macosx.cpp
+++ b/src/hotspot/os/bsd/memMapPrinter_macosx.cpp
@@ -132,7 +132,7 @@ public:
   static const char* tagToStr(uint32_t user_tag) {
     switch (user_tag) {
       case 0:
-        return 0;
+        return nullptr;
       X1(MALLOC, malloc);
       X1(MALLOC_SMALL, malloc_small);
       X1(MALLOC_LARGE, malloc_large);
diff --git a/src/hotspot/os/bsd/os_bsd.cpp b/src/hotspot/os/bsd/os_bsd.cpp
index 667810bd6ca..0e21c2d1785 100644
--- a/src/hotspot/os/bsd/os_bsd.cpp
+++ b/src/hotspot/os/bsd/os_bsd.cpp
@@ -628,7 +628,7 @@ static void *thread_native_entry(Thread *thread) {
   log_info(os, thread)("Thread finished (tid: %zu, pthread id: %zu).",
     os::current_thread_id(), (uintx) pthread_self());
 
-  return 0;
+  return nullptr;
 }
 
 bool os::create_thread(Thread* thread, ThreadType thr_type,
@@ -1420,7 +1420,7 @@ int os::get_loaded_modules_info(os::LoadedModulesCallbackFunc callback, void *pa
 #elif defined(__APPLE__)
   for (uint32_t i = 1; i < _dyld_image_count(); i++) {
     // Value for top_address is returned as 0 since we don't have any information about module size
-    if (callback(_dyld_get_image_name(i), (address)_dyld_get_image_header(i), (address)0, param)) {
+    if (callback(_dyld_get_image_name(i), (address)_dyld_get_image_header(i), nullptr, param)) {
       return 1;
     }
   }