diff --git a/src/node_buffer.cc b/src/node_buffer.cc
index d3a9abc571c42b..22f5ca56823495 100644
--- a/src/node_buffer.cc
+++ b/src/node_buffer.cc
@@ -44,15 +44,6 @@
       return node::THROW_ERR_OUT_OF_RANGE(env, "Index out of range");       \
   } while (0)                                                               \
 
-#define SLICE_START_END(env, start_arg, end_arg, end_max)                   \
-  size_t start = 0;                                                         \
-  size_t end = 0;                                                           \
-  THROW_AND_RETURN_IF_OOB(ParseArrayIndex(env, start_arg, 0, &start));      \
-  THROW_AND_RETURN_IF_OOB(ParseArrayIndex(env, end_arg, end_max, &end));    \
-  if (end < start) end = start;                                             \
-  THROW_AND_RETURN_IF_OOB(Just(end <= end_max));                            \
-  size_t length = end - start;
-
 namespace node {
 namespace Buffer {
 
@@ -468,7 +459,13 @@ void StringSlice(const FunctionCallbackInfo<Value>& args) {
   if (buffer.length() == 0)
     return args.GetReturnValue().SetEmptyString();
 
-  SLICE_START_END(env, args[0], args[1], buffer.length())
+  size_t start = 0;
+  size_t end = 0;
+  THROW_AND_RETURN_IF_OOB(ParseArrayIndex(env, args[0], 0, &start));
+  THROW_AND_RETURN_IF_OOB(ParseArrayIndex(env, args[1], buffer.length(), &end));
+  if (end < start) end = start;
+  THROW_AND_RETURN_IF_OOB(Just(end <= buffer.length()));
+  size_t length = end - start;
 
   Local<Value> error;
   MaybeLocal<Value> ret =
diff --git a/src/node_file.cc b/src/node_file.cc
index c4e3b83392c5cc..ae2aa0677f6e89 100644
--- a/src/node_file.cc
+++ b/src/node_file.cc
@@ -88,7 +88,10 @@ constexpr char kPathSeparator = '/';
 const char* const kPathSeparator = "\\/";
 #endif
 
-#define GET_OFFSET(a) (IsSafeJsInt(a) ? (a).As<Integer>()->Value() : -1)
+inline int64_t GetOffset(Local<Value> value) {
+  return IsSafeJsInt(value) ? value.As<Integer>()->Value() : -1;
+}
+
 #define TRACE_NAME(name) "fs.sync." #name
 #define GET_TRACE_ENABLED                                                  \
   (*TRACE_EVENT_API_GET_CATEGORY_GROUP_ENABLED                             \
@@ -1681,7 +1684,7 @@ static void WriteBuffer(const FunctionCallbackInfo<Value>& args) {
   CHECK_LE(len, buffer_length);
   CHECK_GE(off + len, off);
 
-  const int64_t pos = GET_OFFSET(args[4]);
+  const int64_t pos = GetOffset(args[4]);
 
   char* buf = buffer_data + off;
   uv_buf_t uvbuf = uv_buf_init(buf, len);
@@ -1721,7 +1724,7 @@ static void WriteBuffers(const FunctionCallbackInfo<Value>& args) {
   CHECK(args[1]->IsArray());
   Local<Array> chunks = args[1].As<Array>();
 
-  int64_t pos = GET_OFFSET(args[2]);
+  int64_t pos = GetOffset(args[2]);
 
   MaybeStackBuffer<uv_buf_t> iovs(chunks->Length());
 
@@ -1765,7 +1768,7 @@ static void WriteString(const FunctionCallbackInfo<Value>& args) {
   CHECK(args[0]->IsInt32());
   const int fd = args[0].As<Int32>()->Value();
 
-  const int64_t pos = GET_OFFSET(args[2]);
+  const int64_t pos = GetOffset(args[2]);
 
   const auto enc = ParseEncoding(isolate, args[3], UTF8);