diff --git a/plugins/woocommerce/tests/legacy/unit-tests/formatting/functions.php b/plugins/woocommerce/tests/legacy/unit-tests/formatting/functions.php
index e613d9341ed..6496a0f903c 100644
--- a/plugins/woocommerce/tests/legacy/unit-tests/formatting/functions.php
+++ b/plugins/woocommerce/tests/legacy/unit-tests/formatting/functions.php
@@ -803,6 +803,12 @@ class WC_Tests_Formatting_Functions extends WC_Unit_Test_Case {
 
 		// Test empty NL postcode.
 		$this->assertEquals( '', wc_format_postcode( '', 'NL' ) );
+
+		// Test LV postcode without mandatory country code.
+		$this->assertEquals( 'LV-1337', wc_format_postcode( '1337', 'LV' ) );
+
+		// Test LV postcode with incorrect format (no dash).
+		$this->assertEquals( 'LV-1337', wc_format_postcode( 'lv1337', 'LV' ) );
 	}
 
 	/**
diff --git a/plugins/woocommerce/tests/php/includes/wc-formatting-functions-test.php b/plugins/woocommerce/tests/php/includes/wc-formatting-functions-test.php
index 545f30e0a35..93dfda3b314 100644
--- a/plugins/woocommerce/tests/php/includes/wc-formatting-functions-test.php
+++ b/plugins/woocommerce/tests/php/includes/wc-formatting-functions-test.php
@@ -17,31 +17,4 @@ class WC_Formatting_Functions_Test extends \WC_Unit_Test_Case {
 		$this->assertEquals( 'DUMMYCOUPON', wc_sanitize_coupon_code( 'DUMMYCOUPON' ) );
 		$this->assertEquals( 'a&a', wc_sanitize_coupon_code( 'a&a' ) );
 	}
-
-	/**
-	 * Test wc_format_postcode() function.
-	 */
-	public function test_wc_format_postcode() {
-		// IE postcode.
-		$this->assertEquals( 'D02 AF30', wc_format_postcode( 'D02AF30', 'IE' ) );
-
-		// PT postcode.
-		$this->assertEquals( '1000-205', wc_format_postcode( '1000205', 'PT' ) );
-
-		// BR/PL postcode.
-		$this->assertEquals( '99999-999', wc_format_postcode( '99999999', 'BR' ) );
-
-		// JP postcode.
-		$this->assertEquals( '999-9999', wc_format_postcode( '9999999', 'JP' ) );
-
-		// Test LV postcode without mandatory country code.
-		$this->assertEquals( 'LV-1337', wc_format_postcode( '1337', 'LV' ) );
-
-		// Test LV postcode with incorrect format (no dash).
-		$this->assertEquals( 'LV-1337', wc_format_postcode( 'lv1337', 'LV' ) );
-
-		// Test empty NL postcode.
-		$this->assertEquals( '', wc_format_postcode( '', 'NL' ) );
-
-	}
 }