diff --git a/src/Database/Relations/AttachMany.php b/src/Database/Relations/AttachMany.php
index e57465d1b..aca72342c 100644
--- a/src/Database/Relations/AttachMany.php
+++ b/src/Database/Relations/AttachMany.php
@@ -39,6 +39,18 @@ public function __construct(Builder $query, Model $parent, $type, $id, $isPublic
      */
     public function setSimpleValue($value)
     {
+        // Nulling the relationship
+        if (!$value) {
+            $this->parent->setRelation($this->relationName, null);
+
+            if ($this->parent->exists) {
+                $this->parent->bindEventOnce('model.afterSave', function() {
+                    $this->ensureRelationIsEmpty();
+                });
+            }
+            return;
+        }
+
         // Append a single newly uploaded file(s)
         if ($value instanceof UploadedFile) {
             $this->parent->bindEventOnce('model.afterSave', function () use ($value) {
diff --git a/src/Database/Relations/AttachOne.php b/src/Database/Relations/AttachOne.php
index f7e2a65a7..0ef78b687 100644
--- a/src/Database/Relations/AttachOne.php
+++ b/src/Database/Relations/AttachOne.php
@@ -43,6 +43,18 @@ public function setSimpleValue($value)
             $value = reset($value);
         }
 
+        // Nulling the relationship
+        if (!$value) {
+            $this->parent->setRelation($this->relationName, null);
+
+            if ($this->parent->exists) {
+                $this->parent->bindEventOnce('model.afterSave', function() {
+                    $this->ensureRelationIsEmpty();
+                });
+            }
+            return;
+        }
+
         // Newly uploaded file
         if ($value instanceof UploadedFile) {
             $this->parent->bindEventOnce('model.afterSave', function () use ($value) {
diff --git a/src/Database/Relations/AttachOneOrMany.php b/src/Database/Relations/AttachOneOrMany.php
index 6901ea613..e6f0ad40f 100644
--- a/src/Database/Relations/AttachOneOrMany.php
+++ b/src/Database/Relations/AttachOneOrMany.php
@@ -404,6 +404,21 @@ public function makeValidationFile($value)
         return $value;
     }
 
+    /**
+     * ensureRelationIsEmpty ensures the relation is empty, either deleted or nulled.
+     */
+    protected function ensureRelationIsEmpty()
+    {
+        $options = $this->parent->getRelationDefinition($this->relationName);
+
+        if (array_get($options, 'delete', false)) {
+            $this->delete();
+        }
+        else {
+            $this->update([$this->getForeignKeyName() => null]);
+        }
+    }
+
     /**
      * getRelatedKeyName
      * @return string
diff --git a/src/Database/Relations/HasMany.php b/src/Database/Relations/HasMany.php
index d10f9e969..dbad14e30 100644
--- a/src/Database/Relations/HasMany.php
+++ b/src/Database/Relations/HasMany.php
@@ -37,6 +37,8 @@ public function setSimpleValue($value)
     {
         // Nulling the relationship
         if (!$value) {
+            $this->parent->setRelation($this->relationName, null);
+
             if ($this->parent->exists) {
                 $this->parent->bindEventOnce('model.afterSave', function() {
                     $this->ensureRelationIsEmpty();
diff --git a/src/Database/Relations/HasOne.php b/src/Database/Relations/HasOne.php
index 57db078c6..65c333760 100644
--- a/src/Database/Relations/HasOne.php
+++ b/src/Database/Relations/HasOne.php
@@ -39,6 +39,8 @@ public function setSimpleValue($value)
 
         // Nulling the relationship
         if (!$value) {
+            $this->parent->setRelation($this->relationName, null);
+
             if ($this->parent->exists) {
                 $this->parent->bindEventOnce('model.afterSave', function() {
                     $this->ensureRelationIsEmpty();