diff --git a/nixos/modules/config/malloc.nix b/nixos/modules/config/malloc.nix
index b740ebfccb20..ae0661f472f6 100644
--- a/nixos/modules/config/malloc.nix
+++ b/nixos/modules/config/malloc.nix
@@ -30,7 +30,7 @@ let
 
       systemPlatform = platformMap.${pkgs.stdenv.hostPlatform.system} or (throw "scudo not supported on ${pkgs.stdenv.hostPlatform.system}");
     in {
-      libPath = "${pkgs.llvmPackages_latest.compiler-rt}/lib/linux/libclang_rt.scudo-${systemPlatform}.so";
+      libPath = "${pkgs.llvmPackages_14.compiler-rt}/lib/linux/libclang_rt.scudo-${systemPlatform}.so";
       description = ''
         A user-mode allocator based on LLVM Sanitizer’s CombinedAllocator,
         which aims at providing additional mitigations against heap based
diff --git a/nixos/tests/darling.nix b/nixos/tests/darling.nix
index bc7b189372d6..5665b4c2ffef 100644
--- a/nixos/tests/darling.nix
+++ b/nixos/tests/darling.nix
@@ -4,7 +4,7 @@ let
   # Well, we _can_ cross-compile from Linux :)
   hello = pkgs.runCommand "hello" {
     sdk = "${pkgs.darling.sdk}/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk";
-    nativeBuildInputs = with pkgs.llvmPackages_latest; [ clang-unwrapped lld ];
+    nativeBuildInputs = with pkgs.llvmPackages_14; [ clang-unwrapped lld ];
     src = pkgs.writeText "hello.c" ''
       #include <stdio.h>
       int main() {
diff --git a/pkgs/applications/terminal-emulators/foot/default.nix b/pkgs/applications/terminal-emulators/foot/default.nix
index 02de89a1b7a7..b2b3526951a4 100644
--- a/pkgs/applications/terminal-emulators/foot/default.nix
+++ b/pkgs/applications/terminal-emulators/foot/default.nix
@@ -23,7 +23,6 @@
 # for clang stdenv check
 , foot
 , llvmPackages
-, llvmPackages_latest
 }:
 
 let
@@ -187,10 +186,6 @@ stdenv.mkDerivation rec {
       inherit (llvmPackages) stdenv;
     };
 
-    clang-latest-compilation = foot.override {
-      inherit (llvmPackages_latest) stdenv;
-    };
-
     noPgo = foot.override {
       allowPgo = false;
     };
diff --git a/pkgs/os-specific/linux/keyutils/default.nix b/pkgs/os-specific/linux/keyutils/default.nix
index 54622253ed27..86b2535e1dde 100644
--- a/pkgs/os-specific/linux/keyutils/default.nix
+++ b/pkgs/os-specific/linux/keyutils/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     ./conf-symlink.patch
     # This patch solves a duplicate symbol error when building with a clang stdenv
     # Before removing this patch, please ensure the package still builds by running eg.
-    # nix-build -E 'with import ./. {}; pkgs.keyutils.override { stdenv = pkgs.llvmPackages_latest.stdenv; }'
+    # nix-build -E 'with import ./. {}; pkgs.keyutils.override { stdenv = pkgs.clangStdenv; }'
     ./0001-Remove-unused-function-after_eq.patch
 
     # Fix build for s390-linux, where size_t is different from ptrdiff_t.
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 12281c39e343..b7a1f91ebae2 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1886,6 +1886,7 @@ mapAliases ({
   inherit (stdenv) buildPlatform hostPlatform targetPlatform; # Added 2023-01-09
 
   # LLVM packages for (integration) testing that should not be used inside Nixpkgs:
+  llvmPackages_latest = llvmPackages_14;
   llvmPackages_git = recurseIntoAttrs (callPackage ../development/compilers/llvm/git {
     inherit (stdenvAdapters) overrideCC;
     buildLlvmTools = buildPackages.llvmPackages_git.tools;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index be8e7b5ed278..9f1eab70884f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -14505,7 +14505,7 @@ with pkgs;
   ciao = callPackage ../development/compilers/ciao { };
 
   codon = callPackage ../development/compilers/codon {
-    inherit (llvmPackages_latest) lld stdenv;
+    inherit (llvmPackages_14) lld stdenv;
   };
 
   colm = callPackage ../development/compilers/colm { };
@@ -14568,7 +14568,7 @@ with pkgs;
   clang_16 = llvmPackages_16.clang;
 
   clang-tools = callPackage ../development/tools/clang-tools {
-    llvmPackages = llvmPackages_latest;
+    llvmPackages = llvmPackages_14;
   };
 
   clang-tools_5 = callPackage ../development/tools/clang-tools {
@@ -14620,13 +14620,13 @@ with pkgs;
   };
 
   clang-analyzer = callPackage ../development/tools/analysis/clang-analyzer {
-    llvmPackages = llvmPackages_latest;
-    inherit (llvmPackages_latest) clang;
+    llvmPackages = llvmPackages_14;
+    inherit (llvmPackages_14) clang;
   };
 
   clazy = callPackage ../development/tools/analysis/clazy {
-    llvmPackages = llvmPackages_latest;
-    stdenv = llvmPackages_latest.stdenv;
+    llvmPackages = llvmPackages_14;
+    stdenv = llvmPackages_14.stdenv;
   };
 
   #Use this instead of stdenv to build with clang
@@ -15580,7 +15580,7 @@ with pkgs;
   lld_15 = llvmPackages_15.lld;
   lld_16 = llvmPackages_16.lld;
 
-  lldb = llvmPackages_latest.lldb;
+  lldb = lldb_14;
   lldb_5 = llvmPackages_5.lldb;
   lldb_6 = llvmPackages_6.lldb;
   lldb_7 = llvmPackages_7.lldb;
@@ -15612,8 +15612,6 @@ with pkgs;
   llvm-manpages = llvmPackages.llvm-manpages;
 
   llvmPackages = let
-    latest_version = lib.toInt
-      (lib.versions.major llvmPackages_latest.llvm.version);
     # This returns the minimum supported version for the platform. The
     # assumption is that or any later version is good.
     choose = platform:
@@ -15622,7 +15620,7 @@ with pkgs;
       else if platform.isAndroid then 12
       else if platform.isLinux then 11
       else if platform.isWasm then 12
-      else latest_version;
+      else 14;
     # We take the "max of the mins". Why? Since those are lower bounds of the
     # supported version set, this is like intersecting those sets and then
     # taking the min bound of that.
@@ -15714,8 +15712,6 @@ with pkgs;
     targetLlvm = targetPackages.llvmPackages_16.llvm or llvmPackages_16.llvm;
   }));
 
-  llvmPackages_latest = llvmPackages_14;
-
   llvmPackages_rocm = recurseIntoAttrs (callPackage ../development/compilers/llvm/rocm { });
 
   lorri = callPackage ../tools/misc/lorri {
@@ -17354,7 +17350,7 @@ with pkgs;
   protege-distribution = callPackage ../development/web/protege-distribution { };
 
   umr = callPackage ../development/misc/umr {
-    llvmPackages = llvmPackages_latest;
+    llvmPackages = llvmPackages_14;
   };
 
   refurb = callPackage ../development/tools/refurb { };
@@ -17437,7 +17433,7 @@ with pkgs;
   buf-language-server = callPackage ../development/tools/language-servers/buf-language-server { };
 
   ccls = callPackage ../development/tools/language-servers/ccls {
-    llvmPackages = llvmPackages_latest;
+    llvmPackages = llvmPackages_14;
   };
 
   docker-compose-language-service = callPackage ../development/tools/language-servers/docker-compose-language-service { };
@@ -17998,7 +17994,7 @@ with pkgs;
 
   cvise = python3Packages.callPackage ../development/tools/misc/cvise {
     # cvise keeps up with fresh llvm releases and supports wide version range
-    inherit (llvmPackages_latest) llvm libclang;
+    inherit (llvmPackages_14) llvm libclang;
   };
 
   cwltool = callPackage ../applications/science/misc/cwltool { };
@@ -21384,7 +21380,7 @@ with pkgs;
   libcint = callPackage ../development/libraries/libcint { };
 
   libclc = callPackage ../development/libraries/libclc {
-    llvmPackages = llvmPackages_latest;
+    llvmPackages = llvmPackages_14;
   };
 
   libcli = callPackage ../development/libraries/libcli { };
@@ -22419,7 +22415,7 @@ with pkgs;
 
   libunwind =
     if stdenv.isDarwin then darwin.libunwind
-    else if stdenv.hostPlatform.system == "riscv32-linux" then llvmPackages_latest.libunwind
+    else if stdenv.hostPlatform.system == "riscv32-linux" then llvmPackages_14.libunwind
     else callPackage ../development/libraries/libunwind { };
 
   libuv = callPackage ../development/libraries/libuv {