diff --git a/build/windows/dist/cyggcc_s-1.dll b/build/windows/dist/cyggcc_s-1.dll deleted file mode 100644 index e71211d36..000000000 Binary files a/build/windows/dist/cyggcc_s-1.dll and /dev/null differ diff --git a/build/windows/dist/cygiconv-2.dll b/build/windows/dist/cygiconv-2.dll deleted file mode 100644 index e6c2b5d9c..000000000 Binary files a/build/windows/dist/cygiconv-2.dll and /dev/null differ diff --git a/build/windows/dist/cygwin1.dll b/build/windows/dist/cygwin1.dll deleted file mode 100644 index 23a21dd14..000000000 Binary files a/build/windows/dist/cygwin1.dll and /dev/null differ diff --git a/build/windows/dist/cygz.dll b/build/windows/dist/cygz.dll deleted file mode 100644 index 98b8b8280..000000000 Binary files a/build/windows/dist/cygz.dll and /dev/null differ