diff --git a/src/project/project.cpp b/src/project/project.cpp
--- a/src/project/project.cpp
+++ b/src/project/project.cpp
@@ -253,7 +253,7 @@
 void Project::removeCodeDocument(KTextEditor::Document *document)
 {
     QString path = document->url().toString();
-    document->closeUrl();
+    if (!document->closeUrl()) return;
     int index = d->m_codeDocuments.indexOf(document);
     emit codeDocumentAboutToBeRemoved(index, index);
     disconnect(document, &KTextEditor::Document::modifiedChanged,
diff --git a/src/ui/codeeditorwidget.h b/src/ui/codeeditorwidget.h
--- a/src/ui/codeeditorwidget.h
+++ b/src/ui/codeeditorwidget.h
@@ -47,6 +47,7 @@
     void onCodeDocumentAboutToBeAdded(KTextEditor::Document *document, int index);
     void onCodeDocumentAboutToBeRemoved(int start, int end);
     void showDocumentNameDialog(int index);
+    void closeTab(int index);
 
 private:
     QTabWidget *m_viewWidgets;
diff --git a/src/ui/codeeditorwidget.cpp b/src/ui/codeeditorwidget.cpp
--- a/src/ui/codeeditorwidget.cpp
+++ b/src/ui/codeeditorwidget.cpp
@@ -24,6 +24,7 @@
 #include <KTextEditor/Editor>
 #include <KTextEditor/Document>
 #include <KLocalizedString>
+#include <QMessageBox>
 #include <QInputDialog>
 #include <QLineEdit>
 #include <QTabWidget>
@@ -40,12 +41,12 @@
         qCritical() << "KTextEditor could not be found, please check your installation";
     }
     m_viewWidgets = new QTabWidget(this);
-    m_viewWidgets->setTabsClosable(false);
+    m_viewWidgets->setTabsClosable(true);
     layout->addWidget(m_viewWidgets);
     layout->setSpacing(0);
     setLayout(layout);
-
     connect(m_viewWidgets, &QTabWidget::tabBarDoubleClicked, this, &CodeEditorWidget::showDocumentNameDialog);
+    connect(m_viewWidgets, &QTabWidget::tabCloseRequested, this, &CodeEditorWidget::closeTab);
 }
 
 void CodeEditorWidget::setProject(Project *project)
@@ -104,3 +105,8 @@
         m_viewWidgets->setTabText(index, name);
     }
 }
+
+void CodeEditorWidget::closeTab(int index)
+{
+    m_project->removeCodeDocument(m_project->codeDocuments().at(index));
+}