diff -u b/src/Tests/ParagraphsTranslationTest.php b/src/Tests/ParagraphsTranslationTest.php
--- b/src/Tests/ParagraphsTranslationTest.php
+++ b/src/Tests/ParagraphsTranslationTest.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * @file
- * Contains \Drupal\paragraphs\ParagraphsTranslationTest.
+ * Contains \Drupal\paragraphs\Tests\ParagraphsTranslationTest.
  */
 
 namespace Drupal\paragraphs\Tests;
@@ -150,12 +150,13 @@
     $this->drupalPostForm(NULL, NULL, t('Save and keep published (this translation)'));
     $this->assertText('Paragraphed article Title in english has been updated.');
 
-    // Check.
+    // Create a new demo node adding a 'Text' paragraph with german langcode.
     $this->drupalGet('node/add/paragraphed_content_demo');
     $edit = [
       'langcode[0][value]' => 'de',
     ];
     $this->drupalPostForm(NULL, $edit, 'Add Text');
+    // Check if the 'add more' and 'remove' buttons are displayed.
     $this->assertRaw('name="field_paragraphs_demo_0_remove"');
     $this->assertRaw('name="field_paragraphs_demo_image_text_add_more"');
   }
only in patch2:
unchanged:
--- a/src/Plugin/Field/FieldWidget/InlineParagraphsWidget.php
+++ b/src/Plugin/Field/FieldWidget/InlineParagraphsWidget.php
@@ -295,7 +295,7 @@ class InlineParagraphsWidget extends WidgetBase {
           }
 
           // Hide the button when translating.
-          $button_access = $paragraphs_entity->access('delete') && $paragraphs_entity->language()->getId() == $paragraphs_entity->getUntranslated()->language()->getId();
+          $button_access = !$this->isInTranslation($form_state, $items) && $paragraphs_entity->access('delete');
           $links['remove_button'] = array(
             '#type' => 'submit',
             '#value' => t('Remove'),
@@ -731,7 +731,7 @@ class InlineParagraphsWidget extends WidgetBase {
     // Add 'add more' button, if not working with a programmed form.
     if (($real_item_count < $cardinality || $cardinality == FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED) && !$form_state->isProgrammed()) {
       // Hide the button when translating.
-      $add_more_access = $this->getCurrentLangcode($form_state, $items) == $items->getEntity()->getUntranslated()->language()->getId();
+      $add_more_access = !$this->isInTranslation($form_state, $items);
       $elements['add_more'] = array(
         '#type' => 'container',
         '#theme_wrappers' => array('paragraphs_dropbutton_wrapper'),
@@ -842,6 +842,26 @@ class InlineParagraphsWidget extends WidgetBase {
   }
 
   /**
+   * Checks whether the node is in translation.
+   *
+   * If the entity is new, then set the langcode from the language_select to
+   * the node source language. Return TRUE/FALSE whether the add / remove
+   * buttons should be displayed.
+   *
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   * @param \Drupal\Core\Field\FieldItemListInterface $items
+   *
+   * @return boolean
+   */
+  protected function isInTranslation(FormStateInterface $form_state, FieldItemListInterface $items) {
+    if ($form_state->getFormObject()->getEntity()->isNew()) {
+      $form_state->set('langcode', $this->getCurrentLangcode($form_state, $items));
+      return FALSE;
+    }
+    return TRUE;
+  }
+
+  /**
    * {@inheritdoc}
    */
   public static function addMoreAjax(array $form, FormStateInterface $form_state) {