diff --git a/lib/node_modules/@stdlib/stats/base/dists/normal/variance/test/test.js b/lib/node_modules/@stdlib/stats/base/dists/normal/variance/test/test.js
index a65e3a3b66cf..5a336c3549f8 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/normal/variance/test/test.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/normal/variance/test/test.js
@@ -59,9 +59,6 @@ tape( 'if provided a nonpositive `sigma`, the function returns `NaN`', function
 	y = variance( 2.0, -1.0 );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
-	y = variance( 2.0, -1.0 );
-	t.strictEqual( isnan( y ), true, 'returns expected value' );
-
 	y = variance( 1.0, NINF );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/normal/variance/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/normal/variance/test/test.native.js
index 47910941f954..8dcdb9b9dbb4 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/normal/variance/test/test.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/normal/variance/test/test.native.js
@@ -68,9 +68,6 @@ tape( 'if provided a nonpositive `sigma`, the function returns `NaN`', opts, fun
 	y = variance( 2.0, -1.0 );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
-	y = variance( 2.0, -1.0 );
-	t.strictEqual( isnan( y ), true, 'returns expected value' );
-
 	y = variance( 1.0, NINF );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );