diff --git a/lib/node_modules/@stdlib/assert/is-big-endian/lib/main.js b/lib/node_modules/@stdlib/assert/is-big-endian/lib/main.js
index 060ed95e9a29..37400ed835e5 100644
--- a/lib/node_modules/@stdlib/assert/is-big-endian/lib/main.js
+++ b/lib/node_modules/@stdlib/assert/is-big-endian/lib/main.js
@@ -23,11 +23,6 @@
 var ctors = require( './ctors.js' );
 
 
-// VARIABLES //
-
-var bool;
-
-
 // FUNCTIONS //
 
 /**
@@ -63,7 +58,13 @@ function isBigEndian() {
 
 // MAIN //
 
-bool = isBigEndian();
+/**
+* Boolean indicating if an environment is big endian.
+*
+* @constant
+* @type {boolean}
+*/
+var bool = isBigEndian(); // eslint-disable-line vars-on-top
 
 
 // EXPORTS //
diff --git a/lib/node_modules/@stdlib/assert/is-little-endian/lib/main.js b/lib/node_modules/@stdlib/assert/is-little-endian/lib/main.js
index 190df3de2b3a..688ffb043b26 100644
--- a/lib/node_modules/@stdlib/assert/is-little-endian/lib/main.js
+++ b/lib/node_modules/@stdlib/assert/is-little-endian/lib/main.js
@@ -23,11 +23,6 @@
 var ctors = require( './ctors.js' );
 
 
-// VARIABLES //
-
-var bool;
-
-
 // FUNCTIONS //
 
 /**
@@ -63,7 +58,13 @@ function isLittleEndian() {
 
 // MAIN //
 
-bool = isLittleEndian();
+/**
+* Boolean indicating if an environment is little endian.
+*
+* @constant
+* @type {boolean}
+*/
+var bool = isLittleEndian(); // eslint-disable-line vars-on-top
 
 
 // EXPORTS //