diff --git a/libdevcore/CommonData.h b/libdevcore/CommonData.h
index ec3d014d9..c39920dce 100644
--- a/libdevcore/CommonData.h
+++ b/libdevcore/CommonData.h
@@ -175,9 +175,6 @@ inline std::string toCompactHexWithPrefix(u256 val)
 
 // Algorithms for string and string-like collections.
 
-/// Escapes a string into the C-string representation.
-/// @p _all if true will escape all characters, not just the unprintable ones.
-std::string escaped(std::string const& _s, bool _all = true);
 /// Determine bytes required to encode the given integer value. @returns 0 if @a _i is zero.
 template <class T>
 inline unsigned bytesRequired(T _i)