diff --git a/src/common/textbuf.cpp b/src/common/textbuf.cpp
index 2564a4cdbf..1891af5b1b 100644
--- a/src/common/textbuf.cpp
+++ b/src/common/textbuf.cpp
@@ -268,9 +268,7 @@ wxTextFileType wxTextBuffer::GuessType() const
 
 bool wxTextBuffer::Close()
 {
-    m_aTypes.Clear();
-    m_aLines.Clear();
-    m_nCurLine = 0;
+    Clear();
     m_isOpened = false;
 
     return true;