diff --git a/lib/buffer.js b/lib/buffer.js
index 299b9bc01177be..3f47677dd56469 100644
--- a/lib/buffer.js
+++ b/lib/buffer.js
@@ -212,7 +212,7 @@ function fromString(string, encoding) {
   var b = new FastBuffer(allocPool, poolOffset, length);
   var actual = b.write(string, encoding);
   if (actual !== length) {
-    // byteLength() may overestimate. That’s a rare case, though.
+    // byteLength() may overestimate. That's a rare case, though.
     b = new FastBuffer(allocPool, poolOffset, actual);
   }
   poolOffset += actual;
diff --git a/lib/repl.js b/lib/repl.js
index 29f25a5c37b8c1..3852e24aed8da8 100644
--- a/lib/repl.js
+++ b/lib/repl.js
@@ -318,7 +318,7 @@ function REPLServer(prompt,
       let previouslyInRawMode;
       if (self.breakEvalOnSigint) {
         // Start the SIGINT watchdog before entering raw mode so that a very
-        // quick Ctrl+C doesn’t lead to aborting the process completely.
+        // quick Ctrl+C doesn't lead to aborting the process completely.
         utilBinding.startSigintWatchdog();
         previouslyInRawMode = self._setRawMode(false);
       }