diff --git a/hashbrown-fix-metadata.diff b/hashbrown-fix-metadata.diff
index e57fd08..cb97b55 100644
--- a/hashbrown-fix-metadata.diff
+++ b/hashbrown-fix-metadata.diff
@@ -1,6 +1,35 @@
 --- hashbrown-0.9.1/Cargo.toml	2020-09-28T19:15:21+00:00
-+++ hashbrown-0.9.1/Cargo.toml	2020-09-28T22:17:44.277161+00:00
-@@ -65,7 +65,7 @@
++++ hashbrown-0.9.1/Cargo.toml	2020-11-09T14:18:14.491392+00:00
+@@ -29,20 +29,6 @@
+ optional = true
+ default-features = false
+ 
+-[dependencies.alloc]
+-version = "1.0.0"
+-optional = true
+-package = "rustc-std-workspace-alloc"
+-
+-[dependencies.compiler_builtins]
+-version = "0.1.2"
+-optional = true
+-
+-[dependencies.core]
+-version = "1.0.0"
+-optional = true
+-package = "rustc-std-workspace-core"
+-
+ [dependencies.rayon]
+ version = "1.0"
+ optional = true
+@@ -51,6 +37,7 @@
+ version = "1.0.25"
+ optional = true
+ default-features = false
++
+ [dev-dependencies.doc-comment]
+ version = "0.3.1"
+ 
+@@ -65,7 +52,7 @@
  version = "1.0"
  
  [dev-dependencies.rustc-hash]
@@ -9,3 +38,11 @@
  
  [dev-dependencies.serde_test]
  version = "1.0"
+@@ -74,7 +61,4 @@
+ ahash-compile-time-rng = ["ahash/compile-time-rng"]
+ default = ["ahash", "inline-more"]
+ inline-more = []
+-nightly = []
+ raw = []
+-rustc-dep-of-std = ["nightly", "core", "compiler_builtins", "alloc", "rustc-internal-api"]
+-rustc-internal-api = []
diff --git a/rust-hashbrown.spec b/rust-hashbrown.spec
index 333ea53..7870db7 100644
--- a/rust-hashbrown.spec
+++ b/rust-hashbrown.spec
@@ -1,4 +1,4 @@
-# Generated by rust2rpm 13
+# Generated by rust2rpm 15
 %bcond_without check
 %global debug_package %{nil}
 
@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        0.9.1
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Rust port of Google's SwissTable hash map
 
 # Upstream license specification: Apache-2.0/MIT
@@ -15,6 +15,7 @@ URL:            https://crates.io/crates/hashbrown
 Source:         %{crates_source}
 # Initial patched metadata
 # * No locked dependencies
+# * Drop dependencies on compiler internals
 Patch0:         hashbrown-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
@@ -79,42 +80,6 @@ which use "ahash-compile-time-rng" feature of "%{crate}" crate.
 %files       -n %{name}+ahash-compile-time-rng-devel
 %ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
 
-%package     -n %{name}+alloc-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+alloc-devel %{_description}
-
-This package contains library source intended for building other packages
-which use "alloc" feature of "%{crate}" crate.
-
-%files       -n %{name}+alloc-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}+inline-more-devel
 Summary:        %{summary}
 BuildArch:      noarch
@@ -127,18 +92,6 @@ which use "inline-more" feature of "%{crate}" crate.
 %files       -n %{name}+inline-more-devel
 %ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
 
-%package     -n %{name}+nightly-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+nightly-devel %{_description}
-
-This package contains library source intended for building other packages
-which use "nightly" feature of "%{crate}" crate.
-
-%files       -n %{name}+nightly-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
-
 %package     -n %{name}+raw-devel
 Summary:        %{summary}
 BuildArch:      noarch
@@ -163,30 +116,6 @@ which use "rayon" feature of "%{crate}" crate.
 %files       -n %{name}+rayon-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
-
-%package     -n %{name}+rustc-internal-api-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+rustc-internal-api-devel %{_description}
-
-This package contains library source intended for building other packages
-which use "rustc-internal-api" feature of "%{crate}" crate.
-
-%files       -n %{name}+rustc-internal-api-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
-
 %package     -n %{name}+serde-devel
 Summary:        %{summary}
 BuildArch:      noarch
@@ -218,6 +147,9 @@ which use "serde" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Mon Nov 09 2020 Fabio Valentini <decathorpe@gmail.com> - 0.9.1-2
+- Drop dependencies on compiler internals.
+
 * Mon Sep 28 2020 Fabio Valentini <decathorpe@gmail.com> - 0.9.1-1
 - Update to version 0.9.1.