diff --git a/foreign dlls/DLR 4.0/IronPython.Modules.dll b/foreign dlls/DLR 4.0/IronPython.Modules.dll deleted file mode 100644 index 7d93410e0b..0000000000 Binary files a/foreign dlls/DLR 4.0/IronPython.Modules.dll and /dev/null differ diff --git a/foreign dlls/DLR 4.0/IronPython.dll b/foreign dlls/DLR 4.0/IronPython.dll deleted file mode 100644 index 26fe7e1754..0000000000 Binary files a/foreign dlls/DLR 4.0/IronPython.dll and /dev/null differ diff --git a/foreign dlls/DLR 4.0/IronRuby.Libraries.Yaml.dll b/foreign dlls/DLR 4.0/IronRuby.Libraries.Yaml.dll deleted file mode 100644 index 30dea5a77c..0000000000 Binary files a/foreign dlls/DLR 4.0/IronRuby.Libraries.Yaml.dll and /dev/null differ diff --git a/foreign dlls/DLR 4.0/IronRuby.Libraries.dll b/foreign dlls/DLR 4.0/IronRuby.Libraries.dll deleted file mode 100644 index 65159680ca..0000000000 Binary files a/foreign dlls/DLR 4.0/IronRuby.Libraries.dll and /dev/null differ diff --git a/foreign dlls/DLR 4.0/IronRuby.dll b/foreign dlls/DLR 4.0/IronRuby.dll deleted file mode 100644 index b19a269466..0000000000 Binary files a/foreign dlls/DLR 4.0/IronRuby.dll and /dev/null differ diff --git a/foreign dlls/DLR 4.0/Microsoft.Dynamic.dll b/foreign dlls/DLR 4.0/Microsoft.Dynamic.dll deleted file mode 100644 index 0dc44480aa..0000000000 Binary files a/foreign dlls/DLR 4.0/Microsoft.Dynamic.dll and /dev/null differ diff --git a/foreign dlls/DLR 4.0/Microsoft.Scripting.Core.dll b/foreign dlls/DLR 4.0/Microsoft.Scripting.Core.dll deleted file mode 100644 index 8418067d6a..0000000000 Binary files a/foreign dlls/DLR 4.0/Microsoft.Scripting.Core.dll and /dev/null differ diff --git a/foreign dlls/DLR 4.0/Microsoft.Scripting.Debugging.dll b/foreign dlls/DLR 4.0/Microsoft.Scripting.Debugging.dll deleted file mode 100644 index a129515cf7..0000000000 Binary files a/foreign dlls/DLR 4.0/Microsoft.Scripting.Debugging.dll and /dev/null differ diff --git a/foreign dlls/DLR 4.0/Microsoft.Scripting.ExtensionAttribute.dll b/foreign dlls/DLR 4.0/Microsoft.Scripting.ExtensionAttribute.dll deleted file mode 100644 index 761780edd8..0000000000 Binary files a/foreign dlls/DLR 4.0/Microsoft.Scripting.ExtensionAttribute.dll and /dev/null differ diff --git a/foreign dlls/DLR 4.0/Microsoft.Scripting.dll b/foreign dlls/DLR 4.0/Microsoft.Scripting.dll deleted file mode 100644 index 65f1697576..0000000000 Binary files a/foreign dlls/DLR 4.0/Microsoft.Scripting.dll and /dev/null differ