diff --git a/include/crucible/extentwalker.h b/include/crucible/extentwalker.h
index d8c4ea9..ed4c906 100644
--- a/include/crucible/extentwalker.h
+++ b/include/crucible/extentwalker.h
@@ -42,9 +42,6 @@ namespace crucible {
 		uint64_t bytenr() const;
 		bool operator==(const Extent &that) const;
 		bool operator!=(const Extent &that) const { return !(*this == that); }
-
-		Extent() = default;
-		Extent(const Extent &e) = default;
 	};
 
 	class ExtentWalker {