diff --git a/common/cpu_limiter.cc b/common/cpu_limiter.cc
index 5f1ae6f..3226390 100644
--- a/common/cpu_limiter.cc
+++ b/common/cpu_limiter.cc
@@ -20,7 +20,6 @@
 
 #include <base/bind.h>
 #include <base/logging.h>
-#include <base/strings/string_number_conversions.h>
 #include <base/time/time.h>
 
 #include "update_engine/common/utils.h"
@@ -67,7 +66,7 @@
   if (shares_ == shares)
     return true;
 
-  std::string string_shares = base::NumberToString(static_cast<int>(shares));
+  std::string string_shares = std::format("{}", static_cast<int>(shares));
   LOG(INFO) << "Setting cgroup cpu shares to  " << string_shares;
   if (!utils::WriteFile(
           kCGroupSharesPath, string_shares.c_str(), string_shares.size())) {
diff --git a/common/error_code_utils.cc b/common/error_code_utils.cc
index 421e124..dc2d7cb 100644
--- a/common/error_code_utils.cc
+++ b/common/error_code_utils.cc
@@ -16,8 +16,6 @@
 
 #include "update_engine/common/error_code_utils.h"
 
-#include <base/strings/string_number_conversions.h>
-
 using std::string;
 
 namespace chromeos_update_engine {
@@ -185,7 +183,7 @@
       // error codes which should be added here.
   }
 
-  return "Unknown error: " + base::NumberToString(static_cast<unsigned>(code));
+  return "Unknown error: " + std::format("{}", static_cast<unsigned>(code));
 }
 
 }  // namespace utils
diff --git a/common/prefs.cc b/common/prefs.cc
index 8a727ae..a65ce51 100644
--- a/common/prefs.cc
+++ b/common/prefs.cc
@@ -25,7 +25,6 @@
 #include <base/files/file_enumerator.h>
 #include <base/files/file_util.h>
 #include <base/logging.h>
-#include <base/strings/string_number_conversions.h>
 #include <base/strings/string_split.h>
 #include <base/strings/string_util.h>
 
@@ -89,7 +88,7 @@
 }
 
 bool PrefsBase::SetInt64(std::string_view key, const int64_t value) {
-  return SetString(key, base::NumberToString(value));
+  return SetString(key, std::format("{}", value));
 }
 
 bool PrefsBase::GetBoolean(std::string_view key, bool* value) const {
diff --git a/common/utils.cc b/common/utils.cc
index 7baddab..180c7b4 100644
--- a/common/utils.cc
+++ b/common/utils.cc
@@ -1204,7 +1204,7 @@
 }
 
 string GetExclusionName(const string& str_to_convert) {
-  return base::NumberToString(base::StringPieceHash()(str_to_convert));
+  return std::format("{}", base::StringPieceHash()(str_to_convert));
 }
 
 static bool ParseTimestamp(std::string_view str, int64_t* out) {