diff --git a/modules/juce_core/maths/juce_BigInteger.h b/modules/juce_core/maths/juce_BigInteger.h
index 54726e7fe4..5db99f9040 100644
--- a/modules/juce_core/maths/juce_BigInteger.h
+++ b/modules/juce_core/maths/juce_BigInteger.h
@@ -337,10 +337,4 @@ private:
 /** Writes a BigInteger to an OutputStream as a UTF8 decimal string. */
 OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream, const BigInteger& value);
 
-//==============================================================================
-#ifndef DOXYGEN
- // For backwards compatibility, BitArray is defined as an alias for BigInteger.
- typedef BigInteger BitArray;
-#endif
-
 } // namespace juce