diff --git a/pkgs/development/compilers/llvm/10/llvm/default.nix b/pkgs/development/compilers/llvm/10/llvm/default.nix
index 68a4dc3170c8..e49999117e6a 100644
--- a/pkgs/development/compilers/llvm/10/llvm/default.nix
+++ b/pkgs/development/compilers/llvm/10/llvm/default.nix
@@ -93,11 +93,6 @@ in stdenv.mkDerivation (rec {
     substituteInPlace cmake/modules/AddLLVM.cmake \
       --replace 'set(_install_name_dir INSTALL_NAME_DIR "@rpath")' "set(_install_name_dir)" \
       --replace 'set(_install_rpath "@loader_path/../''${CMAKE_INSTALL_LIBDIR}''${LLVM_LIBDIR_SUFFIX}" ''${extra_libdir})' ""
-  ''
-  # Patch llvm-config to return correct library path based on --link-{shared,static}.
-  + ''
-    substitute '${./outputs.patch}' ./outputs.patch --subst-var lib
-    patch -p1 < ./outputs.patch
   '' + ''
     # FileSystem permissions tests fail with various special bits
     substituteInPlace unittests/Support/CMakeLists.txt \
diff --git a/pkgs/development/compilers/llvm/10/llvm/outputs.patch b/pkgs/development/compilers/llvm/10/llvm/outputs.patch
deleted file mode 100644
index 878460e05b8a..000000000000
--- a/pkgs/development/compilers/llvm/10/llvm/outputs.patch
+++ /dev/null
@@ -1,16 +0,0 @@
-diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.cpp
-index 94d426b..37f7794 100644
---- a/tools/llvm-config/llvm-config.cpp
-+++ b/tools/llvm-config/llvm-config.cpp
-@@ -333,6 +333,11 @@ int main(int argc, char **argv) {
-     ActiveIncludeOption = "-I" + ActiveIncludeDir;
-   }
- 
-+  /// Nix-specific multiple-output handling: override ActiveLibDir
-+  if (!IsInDevelopmentTree) {
-+    ActiveLibDir = std::string("@lib@") + "/lib" + LLVM_LIBDIR_SUFFIX;
-+  }
-+
-   /// We only use `shared library` mode in cases where the static library form
-   /// of the components provided are not available; note however that this is
-   /// skipped if we're run from within the build dir. However, once installed,
diff --git a/pkgs/development/compilers/llvm/11/llvm/default.nix b/pkgs/development/compilers/llvm/11/llvm/default.nix
index 2f1c7eb85e62..89659dd987aa 100644
--- a/pkgs/development/compilers/llvm/11/llvm/default.nix
+++ b/pkgs/development/compilers/llvm/11/llvm/default.nix
@@ -91,11 +91,6 @@ in stdenv.mkDerivation (rec {
     substituteInPlace cmake/modules/AddLLVM.cmake \
       --replace 'set(_install_name_dir INSTALL_NAME_DIR "@rpath")' "set(_install_name_dir)" \
       --replace 'set(_install_rpath "@loader_path/../''${CMAKE_INSTALL_LIBDIR}''${LLVM_LIBDIR_SUFFIX}" ''${extra_libdir})' ""
-  ''
-  # Patch llvm-config to return correct library path based on --link-{shared,static}.
-  + ''
-    substitute '${./outputs.patch}' ./outputs.patch --subst-var lib
-    patch -p1 < ./outputs.patch
   '' + ''
     # FileSystem permissions tests fail with various special bits
     substituteInPlace unittests/Support/CMakeLists.txt \
diff --git a/pkgs/development/compilers/llvm/11/llvm/outputs.patch b/pkgs/development/compilers/llvm/11/llvm/outputs.patch
deleted file mode 100644
index 878460e05b8a..000000000000
--- a/pkgs/development/compilers/llvm/11/llvm/outputs.patch
+++ /dev/null
@@ -1,16 +0,0 @@
-diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.cpp
-index 94d426b..37f7794 100644
---- a/tools/llvm-config/llvm-config.cpp
-+++ b/tools/llvm-config/llvm-config.cpp
-@@ -333,6 +333,11 @@ int main(int argc, char **argv) {
-     ActiveIncludeOption = "-I" + ActiveIncludeDir;
-   }
- 
-+  /// Nix-specific multiple-output handling: override ActiveLibDir
-+  if (!IsInDevelopmentTree) {
-+    ActiveLibDir = std::string("@lib@") + "/lib" + LLVM_LIBDIR_SUFFIX;
-+  }
-+
-   /// We only use `shared library` mode in cases where the static library form
-   /// of the components provided are not available; note however that this is
-   /// skipped if we're run from within the build dir. However, once installed,
diff --git a/pkgs/development/compilers/llvm/12/llvm/default.nix b/pkgs/development/compilers/llvm/12/llvm/default.nix
index 8416a550443f..00bce1fdaa52 100644
--- a/pkgs/development/compilers/llvm/12/llvm/default.nix
+++ b/pkgs/development/compilers/llvm/12/llvm/default.nix
@@ -72,11 +72,6 @@ in stdenv.mkDerivation (rec {
     substituteInPlace cmake/modules/AddLLVM.cmake \
       --replace 'set(_install_name_dir INSTALL_NAME_DIR "@rpath")' "set(_install_name_dir)" \
       --replace 'set(_install_rpath "@loader_path/../''${CMAKE_INSTALL_LIBDIR}''${LLVM_LIBDIR_SUFFIX}" ''${extra_libdir})' ""
-  ''
-  # Patch llvm-config to return correct library path based on --link-{shared,static}.
-  + ''
-    substitute '${./outputs.patch}' ./outputs.patch --subst-var lib
-    patch -p1 < ./outputs.patch
   '' + ''
     # FileSystem permissions tests fail with various special bits
     substituteInPlace unittests/Support/CMakeLists.txt \
diff --git a/pkgs/development/compilers/llvm/12/llvm/outputs.patch b/pkgs/development/compilers/llvm/12/llvm/outputs.patch
deleted file mode 100644
index 878460e05b8a..000000000000
--- a/pkgs/development/compilers/llvm/12/llvm/outputs.patch
+++ /dev/null
@@ -1,16 +0,0 @@
-diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.cpp
-index 94d426b..37f7794 100644
---- a/tools/llvm-config/llvm-config.cpp
-+++ b/tools/llvm-config/llvm-config.cpp
-@@ -333,6 +333,11 @@ int main(int argc, char **argv) {
-     ActiveIncludeOption = "-I" + ActiveIncludeDir;
-   }
- 
-+  /// Nix-specific multiple-output handling: override ActiveLibDir
-+  if (!IsInDevelopmentTree) {
-+    ActiveLibDir = std::string("@lib@") + "/lib" + LLVM_LIBDIR_SUFFIX;
-+  }
-+
-   /// We only use `shared library` mode in cases where the static library form
-   /// of the components provided are not available; note however that this is
-   /// skipped if we're run from within the build dir. However, once installed,
diff --git a/pkgs/development/compilers/llvm/13/llvm/default.nix b/pkgs/development/compilers/llvm/13/llvm/default.nix
index 115b56396e8d..0b17ae326557 100644
--- a/pkgs/development/compilers/llvm/13/llvm/default.nix
+++ b/pkgs/development/compilers/llvm/13/llvm/default.nix
@@ -66,11 +66,6 @@ in stdenv.mkDerivation (rec {
     substituteInPlace cmake/modules/AddLLVM.cmake \
       --replace 'set(_install_name_dir INSTALL_NAME_DIR "@rpath")' "set(_install_name_dir)" \
       --replace 'set(_install_rpath "@loader_path/../''${CMAKE_INSTALL_LIBDIR}''${LLVM_LIBDIR_SUFFIX}" ''${extra_libdir})' ""
-  ''
-  # Patch llvm-config to return correct library path based on --link-{shared,static}.
-  + ''
-    substitute '${./outputs.patch}' ./outputs.patch --subst-var lib
-    patch -p1 < ./outputs.patch
   '' + ''
     # FileSystem permissions tests fail with various special bits
     substituteInPlace unittests/Support/CMakeLists.txt \
diff --git a/pkgs/development/compilers/llvm/13/llvm/outputs.patch b/pkgs/development/compilers/llvm/13/llvm/outputs.patch
deleted file mode 100644
index 878460e05b8a..000000000000
--- a/pkgs/development/compilers/llvm/13/llvm/outputs.patch
+++ /dev/null
@@ -1,16 +0,0 @@
-diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.cpp
-index 94d426b..37f7794 100644
---- a/tools/llvm-config/llvm-config.cpp
-+++ b/tools/llvm-config/llvm-config.cpp
-@@ -333,6 +333,11 @@ int main(int argc, char **argv) {
-     ActiveIncludeOption = "-I" + ActiveIncludeDir;
-   }
- 
-+  /// Nix-specific multiple-output handling: override ActiveLibDir
-+  if (!IsInDevelopmentTree) {
-+    ActiveLibDir = std::string("@lib@") + "/lib" + LLVM_LIBDIR_SUFFIX;
-+  }
-+
-   /// We only use `shared library` mode in cases where the static library form
-   /// of the components provided are not available; note however that this is
-   /// skipped if we're run from within the build dir. However, once installed,
diff --git a/pkgs/development/compilers/llvm/5/llvm/default.nix b/pkgs/development/compilers/llvm/5/llvm/default.nix
index d55f1300ffe5..4cb25cf16b06 100644
--- a/pkgs/development/compilers/llvm/5/llvm/default.nix
+++ b/pkgs/development/compilers/llvm/5/llvm/default.nix
@@ -80,11 +80,6 @@ stdenv.mkDerivation ({
     substituteInPlace cmake/modules/AddLLVM.cmake \
       --replace 'set(_install_name_dir INSTALL_NAME_DIR "@rpath")' "set(_install_name_dir)" \
       --replace 'set(_install_rpath "@loader_path/../''${CMAKE_INSTALL_LIBDIR}" ''${extra_libdir})' ""
-  ''
-  # Patch llvm-config to return correct library path based on --link-{shared,static}.
-  + ''
-    substitute '${./outputs.patch}' ./outputs.patch --subst-var lib
-    patch -p1 < ./outputs.patch
   '' + ''
     # FileSystem permissions tests fail with various special bits
     substituteInPlace unittests/Support/CMakeLists.txt \
diff --git a/pkgs/development/compilers/llvm/5/llvm/outputs.patch b/pkgs/development/compilers/llvm/5/llvm/outputs.patch
deleted file mode 100644
index 878460e05b8a..000000000000
--- a/pkgs/development/compilers/llvm/5/llvm/outputs.patch
+++ /dev/null
@@ -1,16 +0,0 @@
-diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.cpp
-index 94d426b..37f7794 100644
---- a/tools/llvm-config/llvm-config.cpp
-+++ b/tools/llvm-config/llvm-config.cpp
-@@ -333,6 +333,11 @@ int main(int argc, char **argv) {
-     ActiveIncludeOption = "-I" + ActiveIncludeDir;
-   }
- 
-+  /// Nix-specific multiple-output handling: override ActiveLibDir
-+  if (!IsInDevelopmentTree) {
-+    ActiveLibDir = std::string("@lib@") + "/lib" + LLVM_LIBDIR_SUFFIX;
-+  }
-+
-   /// We only use `shared library` mode in cases where the static library form
-   /// of the components provided are not available; note however that this is
-   /// skipped if we're run from within the build dir. However, once installed,
diff --git a/pkgs/development/compilers/llvm/6/llvm/default.nix b/pkgs/development/compilers/llvm/6/llvm/default.nix
index 746a18612cbf..de87c7a3527c 100644
--- a/pkgs/development/compilers/llvm/6/llvm/default.nix
+++ b/pkgs/development/compilers/llvm/6/llvm/default.nix
@@ -78,11 +78,6 @@ stdenv.mkDerivation ({
     substituteInPlace cmake/modules/AddLLVM.cmake \
       --replace 'set(_install_name_dir INSTALL_NAME_DIR "@rpath")' "set(_install_name_dir)" \
       --replace 'set(_install_rpath "@loader_path/../''${CMAKE_INSTALL_LIBDIR}" ''${extra_libdir})' ""
-  ''
-  # Patch llvm-config to return correct library path based on --link-{shared,static}.
-  + ''
-    substitute '${./outputs.patch}' ./outputs.patch --subst-var lib
-    patch -p1 < ./outputs.patch
   '' + ''
     # FileSystem permissions tests fail with various special bits
     substituteInPlace unittests/Support/CMakeLists.txt \
diff --git a/pkgs/development/compilers/llvm/6/llvm/outputs.patch b/pkgs/development/compilers/llvm/6/llvm/outputs.patch
deleted file mode 100644
index 878460e05b8a..000000000000
--- a/pkgs/development/compilers/llvm/6/llvm/outputs.patch
+++ /dev/null
@@ -1,16 +0,0 @@
-diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.cpp
-index 94d426b..37f7794 100644
---- a/tools/llvm-config/llvm-config.cpp
-+++ b/tools/llvm-config/llvm-config.cpp
-@@ -333,6 +333,11 @@ int main(int argc, char **argv) {
-     ActiveIncludeOption = "-I" + ActiveIncludeDir;
-   }
- 
-+  /// Nix-specific multiple-output handling: override ActiveLibDir
-+  if (!IsInDevelopmentTree) {
-+    ActiveLibDir = std::string("@lib@") + "/lib" + LLVM_LIBDIR_SUFFIX;
-+  }
-+
-   /// We only use `shared library` mode in cases where the static library form
-   /// of the components provided are not available; note however that this is
-   /// skipped if we're run from within the build dir. However, once installed,
diff --git a/pkgs/development/compilers/llvm/7/llvm/default.nix b/pkgs/development/compilers/llvm/7/llvm/default.nix
index 57c6d7eb5f38..3c04d07c6b9b 100644
--- a/pkgs/development/compilers/llvm/7/llvm/default.nix
+++ b/pkgs/development/compilers/llvm/7/llvm/default.nix
@@ -82,11 +82,6 @@ in stdenv.mkDerivation ({
     substituteInPlace cmake/modules/AddLLVM.cmake \
       --replace 'set(_install_name_dir INSTALL_NAME_DIR "@rpath")' "set(_install_name_dir)" \
       --replace 'set(_install_rpath "@loader_path/../''${CMAKE_INSTALL_LIBDIR}" ''${extra_libdir})' ""
-  ''
-  # Patch llvm-config to return correct library path based on --link-{shared,static}.
-  + ''
-    substitute '${./outputs.patch}' ./outputs.patch --subst-var lib
-    patch -p1 < ./outputs.patch
   '' + ''
     # FileSystem permissions tests fail with various special bits
     substituteInPlace unittests/Support/CMakeLists.txt \
diff --git a/pkgs/development/compilers/llvm/7/llvm/outputs.patch b/pkgs/development/compilers/llvm/7/llvm/outputs.patch
deleted file mode 100644
index 878460e05b8a..000000000000
--- a/pkgs/development/compilers/llvm/7/llvm/outputs.patch
+++ /dev/null
@@ -1,16 +0,0 @@
-diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.cpp
-index 94d426b..37f7794 100644
---- a/tools/llvm-config/llvm-config.cpp
-+++ b/tools/llvm-config/llvm-config.cpp
-@@ -333,6 +333,11 @@ int main(int argc, char **argv) {
-     ActiveIncludeOption = "-I" + ActiveIncludeDir;
-   }
- 
-+  /// Nix-specific multiple-output handling: override ActiveLibDir
-+  if (!IsInDevelopmentTree) {
-+    ActiveLibDir = std::string("@lib@") + "/lib" + LLVM_LIBDIR_SUFFIX;
-+  }
-+
-   /// We only use `shared library` mode in cases where the static library form
-   /// of the components provided are not available; note however that this is
-   /// skipped if we're run from within the build dir. However, once installed,
diff --git a/pkgs/development/compilers/llvm/8/llvm/default.nix b/pkgs/development/compilers/llvm/8/llvm/default.nix
index 1decdce26a85..bcc8b1c7f26d 100644
--- a/pkgs/development/compilers/llvm/8/llvm/default.nix
+++ b/pkgs/development/compilers/llvm/8/llvm/default.nix
@@ -85,11 +85,6 @@ in stdenv.mkDerivation ({
     substituteInPlace cmake/modules/AddLLVM.cmake \
       --replace 'set(_install_name_dir INSTALL_NAME_DIR "@rpath")' "set(_install_name_dir)" \
       --replace 'set(_install_rpath "@loader_path/../''${CMAKE_INSTALL_LIBDIR}" ''${extra_libdir})' ""
-  ''
-  # Patch llvm-config to return correct library path based on --link-{shared,static}.
-  + ''
-    substitute '${./outputs.patch}' ./outputs.patch --subst-var lib
-    patch -p1 < ./outputs.patch
   '' + ''
     # FileSystem permissions tests fail with various special bits
     substituteInPlace unittests/Support/CMakeLists.txt \
diff --git a/pkgs/development/compilers/llvm/8/llvm/outputs.patch b/pkgs/development/compilers/llvm/8/llvm/outputs.patch
deleted file mode 100644
index 878460e05b8a..000000000000
--- a/pkgs/development/compilers/llvm/8/llvm/outputs.patch
+++ /dev/null
@@ -1,16 +0,0 @@
-diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.cpp
-index 94d426b..37f7794 100644
---- a/tools/llvm-config/llvm-config.cpp
-+++ b/tools/llvm-config/llvm-config.cpp
-@@ -333,6 +333,11 @@ int main(int argc, char **argv) {
-     ActiveIncludeOption = "-I" + ActiveIncludeDir;
-   }
- 
-+  /// Nix-specific multiple-output handling: override ActiveLibDir
-+  if (!IsInDevelopmentTree) {
-+    ActiveLibDir = std::string("@lib@") + "/lib" + LLVM_LIBDIR_SUFFIX;
-+  }
-+
-   /// We only use `shared library` mode in cases where the static library form
-   /// of the components provided are not available; note however that this is
-   /// skipped if we're run from within the build dir. However, once installed,
diff --git a/pkgs/development/compilers/llvm/9/llvm/default.nix b/pkgs/development/compilers/llvm/9/llvm/default.nix
index 29c0558237c5..905279b1bfc3 100644
--- a/pkgs/development/compilers/llvm/9/llvm/default.nix
+++ b/pkgs/development/compilers/llvm/9/llvm/default.nix
@@ -83,11 +83,6 @@ in stdenv.mkDerivation (rec {
     substituteInPlace cmake/modules/AddLLVM.cmake \
       --replace 'set(_install_name_dir INSTALL_NAME_DIR "@rpath")' "set(_install_name_dir)" \
       --replace 'set(_install_rpath "@loader_path/../''${CMAKE_INSTALL_LIBDIR}" ''${extra_libdir})' ""
-  ''
-  # Patch llvm-config to return correct library path based on --link-{shared,static}.
-  + ''
-    substitute '${./outputs.patch}' ./outputs.patch --subst-var lib
-    patch -p1 < ./outputs.patch
   '' + ''
     # FileSystem permissions tests fail with various special bits
     substituteInPlace unittests/Support/CMakeLists.txt \
diff --git a/pkgs/development/compilers/llvm/9/llvm/outputs.patch b/pkgs/development/compilers/llvm/9/llvm/outputs.patch
deleted file mode 100644
index 878460e05b8a..000000000000
--- a/pkgs/development/compilers/llvm/9/llvm/outputs.patch
+++ /dev/null
@@ -1,16 +0,0 @@
-diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.cpp
-index 94d426b..37f7794 100644
---- a/tools/llvm-config/llvm-config.cpp
-+++ b/tools/llvm-config/llvm-config.cpp
-@@ -333,6 +333,11 @@ int main(int argc, char **argv) {
-     ActiveIncludeOption = "-I" + ActiveIncludeDir;
-   }
- 
-+  /// Nix-specific multiple-output handling: override ActiveLibDir
-+  if (!IsInDevelopmentTree) {
-+    ActiveLibDir = std::string("@lib@") + "/lib" + LLVM_LIBDIR_SUFFIX;
-+  }
-+
-   /// We only use `shared library` mode in cases where the static library form
-   /// of the components provided are not available; note however that this is
-   /// skipped if we're run from within the build dir. However, once installed,
diff --git a/pkgs/development/compilers/llvm/git/llvm/default.nix b/pkgs/development/compilers/llvm/git/llvm/default.nix
index 4c895f81dbba..6dd263d65e6a 100644
--- a/pkgs/development/compilers/llvm/git/llvm/default.nix
+++ b/pkgs/development/compilers/llvm/git/llvm/default.nix
@@ -58,11 +58,6 @@ in stdenv.mkDerivation (rec {
     substituteInPlace cmake/modules/AddLLVM.cmake \
       --replace 'set(_install_name_dir INSTALL_NAME_DIR "@rpath")' "set(_install_name_dir)" \
       --replace 'set(_install_rpath "@loader_path/../''${CMAKE_INSTALL_LIBDIR}''${LLVM_LIBDIR_SUFFIX}" ''${extra_libdir})' ""
-  ''
-  # Patch llvm-config to return correct library path based on --link-{shared,static}.
-  + ''
-    substitute '${./outputs.patch}' ./outputs.patch --subst-var lib
-    patch -p1 < ./outputs.patch
   '' + ''
     # FileSystem permissions tests fail with various special bits
     substituteInPlace unittests/Support/CMakeLists.txt \
diff --git a/pkgs/development/compilers/llvm/git/llvm/outputs.patch b/pkgs/development/compilers/llvm/git/llvm/outputs.patch
deleted file mode 100644
index 878460e05b8a..000000000000
--- a/pkgs/development/compilers/llvm/git/llvm/outputs.patch
+++ /dev/null
@@ -1,16 +0,0 @@
-diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.cpp
-index 94d426b..37f7794 100644
---- a/tools/llvm-config/llvm-config.cpp
-+++ b/tools/llvm-config/llvm-config.cpp
-@@ -333,6 +333,11 @@ int main(int argc, char **argv) {
-     ActiveIncludeOption = "-I" + ActiveIncludeDir;
-   }
- 
-+  /// Nix-specific multiple-output handling: override ActiveLibDir
-+  if (!IsInDevelopmentTree) {
-+    ActiveLibDir = std::string("@lib@") + "/lib" + LLVM_LIBDIR_SUFFIX;
-+  }
-+
-   /// We only use `shared library` mode in cases where the static library form
-   /// of the components provided are not available; note however that this is
-   /// skipped if we're run from within the build dir. However, once installed,