diff --git a/inc/drivers/MicroBitFile.h b/inc/drivers/MicroBitFile.h
index f9e96b9..b1e037e 100644
--- a/inc/drivers/MicroBitFile.h
+++ b/inc/drivers/MicroBitFile.h
@@ -146,20 +146,6 @@ class MicroBitFile
       */
     int getHandle();
 
-    /**
-      * Opens this MicroBitFile instance if the file has previously been closed.
-      *
-      * @param mode One of: READ, WRITE, READ_AND_WRITE. Defaults to READ_AND_WRITE.
-      *
-      * @return MICROBIT_OK on success, MICROBIT_NOT_SUPPORTED if the file is already open,
-      *         MICROBIT_INVALID_PARAMETER if the filename is too large, MICROBIT_NO_RESOURCES
-      *         if the file system is full, or memory could not be allocated..
-      *
-      * @note MicroBitFiles are opened at construction and are implicitly closed at
-      *       destruction. They can be closed explicitly using the close() member function.
-      */
-    int open(int mode = READ_AND_WRITE);
-
     /**
       * Closes this MicroBitFile instance
       *
@@ -172,7 +158,7 @@ class MicroBitFile
     int close();
 
     /**
-     * Writes back all state associated with the given file to FLASH memory, 
+     * Writes back all state associated with the given file to FLASH memory,
      * leaving the file open.
      *
      * @return MICROBIT_OK on success, MICROBIT_NOT_SUPPORTED if the file system has not
diff --git a/source/drivers/MicroBitFile.cpp b/source/drivers/MicroBitFile.cpp
index 5ec5f05..d0741a2 100644
--- a/source/drivers/MicroBitFile.cpp
+++ b/source/drivers/MicroBitFile.cpp
@@ -231,33 +231,6 @@ int MicroBitFile::getHandle()
     return fileHandle;
 }
 
-/**
-  * Opens this MicroBitFile instance if the file has previously been closed.
-  *
-  * @param mode One of: READ, WRITE, READ_AND_WRITE. Defaults to READ_AND_WRITE.
-  *
-  * @return MICROBIT_OK on success, MICROBIT_NOT_SUPPORTED if the file is already open,
-  *         MICROBIT_INVALID_PARAMETER if the filename is too large, MICROBIT_NO_RESOURCES
-  *         if the file system is full, or memory could not be allocated..
-  *
-  * @note MicroBitFiles are opened at construction and are implicitly closed at
-  *       destruction. They can be closed explicitly using the close() member function.
-  */
-int MicroBitFile::open(int mode)
-{
-    if(fileHandle >= 0)
-        return MICROBIT_NOT_SUPPORTED;
-
-    int ret = MicroBitFileSystem::defaultFileSystem->open(fileName.toCharArray(), mode | CREATE);
-
-    if(ret < 0)
-        return ret;
-
-    fileHandle = ret;
-
-    return MICROBIT_OK;
-}
-
 /**
   * Closes this MicroBitFile instance
   *
@@ -283,7 +256,7 @@ int MicroBitFile::close()
 }
 
 /**
- * Writes back all state associated with the given file to FLASH memory, 
+ * Writes back all state associated with the given file to FLASH memory,
  * leaving the file open.
  *
  * @return MICROBIT_OK on success, MICROBIT_NOT_SUPPORTED if the file system has not