diff --git a/src/Illuminate/Foundation/Http/FormRequest.php b/src/Illuminate/Foundation/Http/FormRequest.php
index 5ffd50d9e911..8e60b4bb1cdc 100644
--- a/src/Illuminate/Foundation/Http/FormRequest.php
+++ b/src/Illuminate/Foundation/Http/FormRequest.php
@@ -172,9 +172,11 @@ protected function failedAuthorization()
      */
     public function validated()
     {
-        return $this->only(array_keys(
-            $this->container->call([$this, 'rules'])
-        ));
+        $rules = $this->container->call([$this, 'rules']);
+
+        return $this->only(collect($rules)->keys()->map(function($rule){
+            return str_contains($rule, '.') ? explode('.', $rule)[0] : $rule;
+        })->unique()->toArray());
     }
 
     /**
diff --git a/src/Illuminate/Foundation/Providers/FoundationServiceProvider.php b/src/Illuminate/Foundation/Providers/FoundationServiceProvider.php
index 36e3a9a1d1a8..b886de7db665 100644
--- a/src/Illuminate/Foundation/Providers/FoundationServiceProvider.php
+++ b/src/Illuminate/Foundation/Providers/FoundationServiceProvider.php
@@ -38,7 +38,10 @@ public function registerRequestValidate()
         Request::macro('validate', function (array $rules, ...$params) {
             validator()->validate($this->all(), $rules, ...$params);
 
-            return $this->only(array_keys($rules));
+
+            return $this->only(collect($rules)->keys()->map(function($rule){
+                return str_contains($rule, '.') ? explode('.', $rule)[0] : $rule;
+            })->unique()->toArray());
         });
     }
 }
diff --git a/src/Illuminate/Foundation/Validation/ValidatesRequests.php b/src/Illuminate/Foundation/Validation/ValidatesRequests.php
index 4b867fb51b05..0a0dc7ed006a 100644
--- a/src/Illuminate/Foundation/Validation/ValidatesRequests.php
+++ b/src/Illuminate/Foundation/Validation/ValidatesRequests.php
@@ -25,9 +25,9 @@ public function validateWith($validator, Request $request = null)
 
         $validator->validate();
 
-        return $request->only(
-            array_keys($validator->getRules())
-        );
+        return $request->only(collect($validator->getRules())->keys()->map(function($rule){
+                return str_contains($rule, '.') ? explode('.', $rule)[0] : $rule;
+            })->unique()->toArray());
     }
 
     /**
@@ -46,7 +46,9 @@ public function validate(Request $request, array $rules,
              ->make($request->all(), $rules, $messages, $customAttributes)
              ->validate();
 
-        return $request->only(array_keys($rules));
+        return $request->only(collect($rules)->keys()->map(function($rule){
+            return str_contains($rule, '.') ? explode('.', $rule)[0] : $rule;
+        })->unique()->toArray());
     }
 
     /**