diff --git a/pw_assert_basic/basic_handler.cc b/pw_assert_basic/basic_handler.cc
index 09e766cfea..d50152cc80 100644
--- a/pw_assert_basic/basic_handler.cc
+++ b/pw_assert_basic/basic_handler.cc
@@ -75,7 +75,7 @@ static void WriteLine(std::string_view s) {
       .IgnoreError();  // TODO: b/242598609 - Handle Status properly
 }
 
-typedef pw::StringBuffer<150> Buffer;
+using Buffer = pw::StringBuffer<150>;
 
 extern "C" void pw_assert_basic_HandleFailure(const char* file_name,
                                               int line_number,
diff --git a/pw_blob_store/public/pw_blob_store/internal/metadata_format.h b/pw_blob_store/public/pw_blob_store/internal/metadata_format.h
index f63bbb16b6..e11eab7a53 100644
--- a/pw_blob_store/public/pw_blob_store/internal/metadata_format.h
+++ b/pw_blob_store/public/pw_blob_store/internal/metadata_format.h
@@ -29,7 +29,7 @@ enum MetadataVersion : uint32_t {
 
 // Technically the original BlobMetadataV1 was not packed.
 PW_PACKED(struct) BlobMetadataV1 {
-  typedef uint32_t ChecksumValue;
+  using ChecksumValue = uint32_t;
 
   // The checksum of the blob data stored in flash.
   ChecksumValue checksum;
diff --git a/pw_chre/include/chre/target_platform/atomic_base.h b/pw_chre/include/chre/target_platform/atomic_base.h
index 3462671c03..a5f0d165a7 100644
--- a/pw_chre/include/chre/target_platform/atomic_base.h
+++ b/pw_chre/include/chre/target_platform/atomic_base.h
@@ -24,7 +24,7 @@ class AtomicBase {
   std::atomic<AtomicType> atomic_;
 };
 
-typedef AtomicBase<bool> AtomicBoolBase;
-typedef AtomicBase<uint32_t> AtomicUint32Base;
+using AtomicBoolBase = AtomicBase<bool>;
+using AtomicUint32Base = AtomicBase<uint32_t>;
 
 }  // namespace chre
diff --git a/pw_chre/public/pw_chre/host_link.h b/pw_chre/public/pw_chre/host_link.h
index ca4e2cc730..dbf8640267 100644
--- a/pw_chre/public/pw_chre/host_link.h
+++ b/pw_chre/public/pw_chre/host_link.h
@@ -22,7 +22,7 @@ namespace pw::chre {
 
 /// This is a token representing a message that CHRE allocated.
 /// It must be passed to `FreeMessageToAp` when the message is finished.
-typedef const void* MessageToApContext;
+using MessageToApContext = const void*;
 
 /// This is a message that should be sent to the AP.
 /// It was allocated by CHRE, so pw::chre::FreeMessageToAp should be called
diff --git a/pw_crypto/public/pw_crypto/sha256_mbedtls.h b/pw_crypto/public/pw_crypto/sha256_mbedtls.h
index 9e063d8f53..003ffb7b07 100644
--- a/pw_crypto/public/pw_crypto/sha256_mbedtls.h
+++ b/pw_crypto/public/pw_crypto/sha256_mbedtls.h
@@ -25,6 +25,6 @@
 
 namespace pw::crypto::sha256::backend {
 
-typedef mbedtls_sha256_context NativeSha256Context;
+using NativeSha256Context = mbedtls_sha256_context;
 
 }  // namespace pw::crypto::sha256::backend
diff --git a/pw_kvs/public/pw_kvs/flash_memory.h b/pw_kvs/public/pw_kvs/flash_memory.h
index 88983b9246..fc9eda70d1 100644
--- a/pw_kvs/public/pw_kvs/flash_memory.h
+++ b/pw_kvs/public/pw_kvs/flash_memory.h
@@ -38,7 +38,7 @@ enum class PartitionPermission : bool {
 class FlashMemory {
  public:
   // The flash address is in the range of: 0 to FlashSize.
-  typedef uint32_t Address;
+  using Address = uint32_t;
 
   // TODO: b/235149326 - This can be constexpr when tokenized asserts are fixed.
   FlashMemory(size_t sector_size,
diff --git a/pw_rpc/nanopb/client_server_context_test.cc b/pw_rpc/nanopb/client_server_context_test.cc
index a062a4b7a3..6378aa6ead 100644
--- a/pw_rpc/nanopb/client_server_context_test.cc
+++ b/pw_rpc/nanopb/client_server_context_test.cc
@@ -33,7 +33,7 @@ class TestService final : public GeneratedService::Service<TestService> {
 
   Status TestAnotherUnaryRpc(const pw_rpc_test_TestRequest& request,
                              pw_rpc_test_TestResponse& response) {
-    typedef std::array<uint32_t, 3> ArgType;
+    using ArgType = std::array<uint32_t, 3>;
     // The values array needs to be kept in memory until after this method call
     // returns since the response is not encoded until after returning from this
     // method.
diff --git a/pw_rpc/nanopb/client_server_context_threaded_test.cc b/pw_rpc/nanopb/client_server_context_threaded_test.cc
index b10a42ad38..aefb52fb51 100644
--- a/pw_rpc/nanopb/client_server_context_threaded_test.cc
+++ b/pw_rpc/nanopb/client_server_context_threaded_test.cc
@@ -36,7 +36,7 @@ class TestService final : public GeneratedService::Service<TestService> {
 
   Status TestAnotherUnaryRpc(const pw_rpc_test_TestRequest& request,
                              pw_rpc_test_TestResponse& response) {
-    typedef std::array<uint32_t, 3> ArgType;
+    using ArgType = std::array<uint32_t, 3>;
     // The values array needs to be kept in memory until after this method call
     // returns since the response is not encoded until after returning from this
     // method.
diff --git a/pw_rpc/nanopb/server_callback_test.cc b/pw_rpc/nanopb/server_callback_test.cc
index 57890b7faa..ca03070681 100644
--- a/pw_rpc/nanopb/server_callback_test.cc
+++ b/pw_rpc/nanopb/server_callback_test.cc
@@ -33,7 +33,7 @@ class TestServiceImpl final
 
   Status TestAnotherUnaryRpc(const pw_rpc_test_TestRequest&,
                              pw_rpc_test_TestResponse& response) {
-    typedef std::array<uint32_t, 3> ArgType;
+    using ArgType = std::array<uint32_t, 3>;
     // The values array needs to be kept in memory until after this method call
     // returns since the response is not encoded until after returning from this
     // method.