--- dyld/dyld-1231.3/common/Diagnostics.cpp
+++ dyld/dyld-1162/common/Diagnostics.cpp
@@ -299,21 +299,3 @@
 
 #endif
 
-#if BUILDING_LD || BUILDING_UNIT_TESTS || BUILDING_SHARED_CACHE_LINKER || BUILDING_CACHE_BUILDER || BUILDING_CACHE_BUILDER_UNIT_TESTS
-
-mach_o::Error Diagnostics::toError() const
-{
-    if ( hasError() )
-        return mach_o::Error("%s", errorMessageCStr());
-    return mach_o::Error::none();
-}
-
-void Diagnostics::error(const mach_o::Error& err)
-{
-    if ( err.noError() )
-        return;
-
-    error("%s", err.message());
-}
-
-#endif