diff --git a/generator/js_generator.cc b/generator/js_generator.cc
index d6a9e79..a1619fa 100644
--- a/generator/js_generator.cc
+++ b/generator/js_generator.cc
@@ -3641,26 +3641,7 @@ void Generator::GenerateFile(const GeneratorOptions& options,
     if (options.import_style == GeneratorOptions::kImportCommonJsStrict) {
       printer->Print("var proto = {};\n\n");
     } else {
-      // To get the global object we call a function with .call(null), this will
-      // set "this" inside the function to the global object. This does not work
-      // if we are running in strict mode ("use strict"), so we fallback to the
-      // following things (in order from first to last):
-      // - globalThis: cross-platform standard, might not be defined in older
-      // versions of browsers
-      // - window: defined in browsers
-      // - global: defined in most server side environments like NodeJS
-      // - self: defined inside Web Workers (WorkerGlobalScope)
-      // - Function('return this')(): this will work on most platforms, but it
-      // may be blocked by things like CSP.
-      //   Function('') is almost the same as eval('')
-      printer->Print(
-          "var global =\n"
-          "    (typeof globalThis !== 'undefined' && globalThis) ||\n"
-          "    (typeof window !== 'undefined' && window) ||\n"
-          "    (typeof global !== 'undefined' && global) ||\n"
-          "    (typeof self !== 'undefined' && self) ||\n"
-          "    (function () { return this; }).call(null) ||\n"
-          "    Function('return this')();\n\n");
+      printer->Print("var global = globalThis;\n\n");
     }
 
     for (int i = 0; i < file->dependency_count(); i++) {
diff --git a/internal_options.js b/internal_options.js
index ecdac9e..aff1018 100644
--- a/internal_options.js
+++ b/internal_options.js
@@ -28,14 +28,13 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 /**
- * @fileoverview Internal options for.
+ * @fileoverview Internal options.
  */
 goog.module('jspb.internal_options');
 
 /**
  * @return {boolean} True if BigInt is permitted for use and supported by the
  *     platform.
- * @nosideeffects
  */
 function isBigIntAvailable() {
   return goog.FEATURESET_YEAR >= 2021 || (typeof BigInt === 'function');