diff --git a/.rust2rpm.conf b/.rust2rpm.conf
new file mode 100644
index 0000000..302578b
--- /dev/null
+++ b/.rust2rpm.conf
@@ -0,0 +1,5 @@
+[DEFAULT]
+unwanted-features =
+  compiler_builtins
+  core
+  rustc-dep-of-std
diff --git a/rust-cfg-if.spec b/rust-cfg-if.spec
index 8cf24e7..6c26748 100644
--- a/rust-cfg-if.spec
+++ b/rust-cfg-if.spec
@@ -1,4 +1,4 @@
-# Generated by rust2rpm 13
+# Generated by rust2rpm 16
 %bcond_without check
 %global debug_package %{nil}
 
@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        1.0.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Macro to ergonomically define an item depending on a large number of #[cfg] parameters
 
 # Upstream license specification: MIT/Apache-2.0
@@ -54,42 +54,6 @@ which use "default" feature of "%{crate}" crate.
 %files       -n %{name}+default-devel
 %ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
 
-%package     -n %{name}+compiler_builtins-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+compiler_builtins-devel %{_description}
-
-This package contains library source intended for building other packages
-which use "compiler_builtins" feature of "%{crate}" crate.
-
-%files       -n %{name}+compiler_builtins-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
-
-%package     -n %{name}+core-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+core-devel %{_description}
-
-This package contains library source intended for building other packages
-which use "core" feature of "%{crate}" crate.
-
-%files       -n %{name}+core-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
-
-%package     -n %{name}+rustc-dep-of-std-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+rustc-dep-of-std-devel %{_description}
-
-This package contains library source intended for building other packages
-which use "rustc-dep-of-std" feature of "%{crate}" crate.
-
-%files       -n %{name}+rustc-dep-of-std-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
-
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
 %cargo_prep
@@ -109,6 +73,9 @@ which use "rustc-dep-of-std" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Tue Nov 24 2020 Fabio Valentini <decathorpe@gmail.com> - 1.0.0-2
+- Remove dependencies on compiler internals.
+
 * Sun Oct 11 2020 Fabio Valentini <decathorpe@gmail.com> - 1.0.0-1
 - Update to version 1.0.0.