diff --git a/common.gypi b/common.gypi
index 4c43db48f3cd30..50f69563be6d93 100644
--- a/common.gypi
+++ b/common.gypi
@@ -33,7 +33,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.4',
+    'v8_embedder_string': '-node.5',
 
     # Enable disassembler for `--print-code` v8 options
     'v8_enable_disassembler': 1,
diff --git a/deps/v8/include/v8.h b/deps/v8/include/v8.h
index 4a104e57d873b9..6c3cc84fba718e 100644
--- a/deps/v8/include/v8.h
+++ b/deps/v8/include/v8.h
@@ -4362,13 +4362,6 @@ class V8_EXPORT WasmCompiledModule : public Object {
  public:
   typedef std::pair<std::unique_ptr<const uint8_t[]>, size_t> SerializedModule;
 
-// The COMMA macro allows us to use ',' inside of the V8_DEPRECATED macro.
-#define COMMA ,
-  V8_DEPRECATED(
-      "Use BufferReference.",
-      typedef std::pair<const uint8_t * COMMA size_t> CallerOwnedBuffer);
-#undef COMMA
-
   /**
    * A unowned reference to a byte buffer.
    */
@@ -4377,12 +4370,6 @@ class V8_EXPORT WasmCompiledModule : public Object {
     size_t size;
     BufferReference(const uint8_t* start, size_t size)
         : start(start), size(size) {}
-    // Temporarily allow conversion to and from CallerOwnedBuffer.
-    V8_DEPRECATED(
-        "Use BufferReference directly.",
-        inline BufferReference(CallerOwnedBuffer));  // NOLINT(runtime/explicit)
-    V8_DEPRECATED("Use BufferReference directly.",
-                      inline operator CallerOwnedBuffer());
   };
 
   /**
@@ -4429,8 +4416,6 @@ class V8_EXPORT WasmCompiledModule : public Object {
    * Get the wasm-encoded bytes that were used to compile this module.
    */
   BufferReference GetWasmWireBytesRef();
-  V8_DEPRECATED("Use GetWasmWireBytesRef version.",
-                    Local<String> GetWasmWireBytes());
 
   /**
    * Serialize the compiled module. The serialized data does not include the
@@ -4463,15 +4448,6 @@ class V8_EXPORT WasmCompiledModule : public Object {
   static void CheckCast(Value* obj);
 };
 
-// TODO(clemensh): Remove after M70 branch.
-WasmCompiledModule::BufferReference::BufferReference(
-    WasmCompiledModule::CallerOwnedBuffer buf)
-    : BufferReference(buf.first, buf.second) {}
-WasmCompiledModule::BufferReference::
-operator WasmCompiledModule::CallerOwnedBuffer() {
-  return {start, size};
-}
-
 /**
  * The V8 interface for WebAssembly streaming compilation. When streaming
  * compilation is initiated, V8 passes a {WasmStreaming} object to the embedder
diff --git a/deps/v8/src/api.cc b/deps/v8/src/api.cc
index 5f1737b2a42b2d..fbd947b92301e3 100644
--- a/deps/v8/src/api.cc
+++ b/deps/v8/src/api.cc
@@ -7382,14 +7382,6 @@ WasmCompiledModule::BufferReference WasmCompiledModule::GetWasmWireBytesRef() {
   return {bytes_vec.start(), bytes_vec.size()};
 }
 
-Local<String> WasmCompiledModule::GetWasmWireBytes() {
-  BufferReference ref = GetWasmWireBytesRef();
-  CHECK_LE(ref.size, String::kMaxLength);
-  return String::NewFromOneByte(GetIsolate(), ref.start, NewStringType::kNormal,
-                                static_cast<int>(ref.size))
-      .ToLocalChecked();
-}
-
 WasmCompiledModule::TransferrableModule
 WasmCompiledModule::GetTransferrableModule() {
   if (i::FLAG_wasm_shared_code) {