diff --git a/lib/node_modules/@stdlib/os/num-cpus/lib/main.js b/lib/node_modules/@stdlib/os/num-cpus/lib/main.js
index 1d0f37b251fa..17016f942f17 100644
--- a/lib/node_modules/@stdlib/os/num-cpus/lib/main.js
+++ b/lib/node_modules/@stdlib/os/num-cpus/lib/main.js
@@ -23,11 +23,6 @@
 var os = require( 'os' );
 
 
-// VARIABLES //
-
-var n;
-
-
 // FUNCTIONS //
 
 /**
@@ -47,7 +42,13 @@ function numCPUs() {
 
 // MAIN //
 
-n = numCPUs();
+/**
+* Number of CPUs.
+*
+* @constant
+* @type {PositiveInteger}
+*/
+var n = numCPUs(); // eslint-disable-line vars-on-top
 
 
 // EXPORTS //