diff --git a/lib/internal/http2/compat.js b/lib/internal/http2/compat.js
index d116cb9d5ee925..e7a0cbb436b1f5 100644
--- a/lib/internal/http2/compat.js
+++ b/lib/internal/http2/compat.js
@@ -11,7 +11,6 @@ const {
   ObjectPrototypeHasOwnProperty,
   ReflectApply,
   ReflectGetPrototypeOf,
-  StringPrototypeIncludes,
   StringPrototypeToLowerCase,
   StringPrototypeTrim,
   Symbol,
@@ -82,9 +81,7 @@ let statusConnectionHeaderWarned = false;
 // close as possible to the current require('http') API
 
 const assertValidHeader = hideStackFrames((name, value) => {
-  if (name === '' ||
-      typeof name !== 'string' ||
-      StringPrototypeIncludes(name, ' ')) {
+  if (name === '' || typeof name !== 'string' || name.indexOf(' ') >= 0) {
     throw new ERR_INVALID_HTTP_TOKEN('Header name', name);
   }
   if (isPseudoHeader(name)) {