diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1c0154b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+SOURCES/rustc-demangle-0.1.23.crate
diff --git a/.rust-rustc-demangle.metadata b/.rust-rustc-demangle.metadata
index e69de29..38145e6 100644
--- a/.rust-rustc-demangle.metadata
+++ b/.rust-rustc-demangle.metadata
@@ -0,0 +1 @@
+782514bf53d1ccd3d3a2e63b8e964e0b414677f2  SOURCES/rustc-demangle-0.1.23.crate
diff --git a/SOURCES/rust2rpm.conf b/SOURCES/rust2rpm.conf
new file mode 100644
index 0000000..302578b
--- /dev/null
+++ b/SOURCES/rust2rpm.conf
@@ -0,0 +1,5 @@
+[DEFAULT]
+unwanted-features =
+  compiler_builtins
+  core
+  rustc-dep-of-std
diff --git a/SOURCES/rustc-demangle-0.1.23.crate b/SOURCES/rustc-demangle-0.1.23.crate
deleted file mode 100644
index 849241f..0000000
Binary files a/SOURCES/rustc-demangle-0.1.23.crate and /dev/null differ