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diff --git a/docs/source/lang/cpp/booleanvariables.rst b/docs/source/lang/cpp/booleanvariables.rst
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--- a/docs/source/lang/cpp/booleanvariables.rst
+++ /dev/null
@@ -1,47 +0,0 @@
-.. highlight:: cpp
-
-.. _lang-booleanvariables:
-
-Booleans
-========
-
-A **boolean** holds one of two values, :ref:`true
-<lang-constants-true>` or :ref:`false <lang-constants-false>`.  On a
-Maple, each boolean variable has type ``bool``.
-
-.. warning::
-
-   On an Arduino, the type ``boolean`` is also provided.  While the
-   Maple also has this type for compatibility, **its use is strongly
-   discouraged**.  The ``bool`` type is a standard part of C++, while
-   ``boolean`` is a non-standard extension that serves no purpose.
-
-Example
--------
-
-::
-
-    // running is a boolean variable:
-    bool running = false;
-
-    void setup() {
-        pinMode(BOARD_LED_PIN, OUTPUT);
-        pinMode(BOARD_BUTTON_PIN, INPUT);
-    }
-
-    void loop() {
-        if (isButtonPressed()) {
-            // button is pressed
-            running = !running;                     // toggle running variable
-            digitalWrite(BOARD_LED_PIN, running)    // indicate via LED
-        }
-    }
-
-See Also
---------
-
--  :ref:`Boolean constants <lang-constants-bool>`
--  :ref:`Boolean operators <lang-boolean>`
--  :ref:`Variables <lang-variables>`
-
-.. include:: /arduino-cc-attribution.txt