diff --git a/src/Validator/Boolean.php b/src/Validator/Boolean.php
index 50c1c986..beb75a9c 100644
--- a/src/Validator/Boolean.php
+++ b/src/Validator/Boolean.php
@@ -77,14 +77,6 @@ public function isValid($value): bool
             return true;
         }
 
-        if ($this->loose && ($value === '1' || $value === '0')) { // Accept numeric strings
-            return true;
-        }
-
-        if ($this->loose && ($value === 1 || $value === 0)) { // Accept integers
-            return true;
-        }
-
         if (\is_bool($value)) {
             return true;
         }
diff --git a/tests/Validator/BooleanTest.php b/tests/Validator/BooleanTest.php
index b1742918..8b62a5aa 100755
--- a/tests/Validator/BooleanTest.php
+++ b/tests/Validator/BooleanTest.php
@@ -33,10 +33,10 @@ public function testCanValidateLoosely()
         $this->assertTrue($boolean->isValid(false));
         $this->assertTrue($boolean->isValid('false'));
         $this->assertTrue($boolean->isValid('true'));
-        $this->assertTrue($boolean->isValid('0'));
-        $this->assertTrue($boolean->isValid('1'));
-        $this->assertTrue($boolean->isValid(0));
-        $this->assertTrue($boolean->isValid(1));
+        $this->assertFalse($boolean->isValid('0'));
+        $this->assertFalse($boolean->isValid('1'));
+        $this->assertFalse($boolean->isValid(0));
+        $this->assertFalse($boolean->isValid(1));
         $this->assertFalse($boolean->isValid(['string', 'string']));
         $this->assertFalse($boolean->isValid('string'));
         $this->assertFalse($boolean->isValid(1.2));