diff --git a/pkgs/build-support/build-mozilla-mach/default.nix b/pkgs/build-support/build-mozilla-mach/default.nix
index 834654bee746..b578050bf8c9 100644
--- a/pkgs/build-support/build-mozilla-mach/default.nix
+++ b/pkgs/build-support/build-mozilla-mach/default.nix
@@ -89,7 +89,6 @@ in
   nasm,
   nspr,
   nss_esr,
-  nss_3_114,
   nss_3_115,
   nss_latest,
   onnxruntime,
@@ -578,8 +577,6 @@ buildStdenv.mkDerivation {
           nss_latest
         else if (lib.versionAtLeast version "143") then
           nss_3_115
-        else if (lib.versionAtLeast version "141") then
-          nss_3_114
         else
           nss_esr
       )
diff --git a/pkgs/development/libraries/nss/3_114.nix b/pkgs/development/libraries/nss/3_114.nix
deleted file mode 100644
index af578ffeb2e4..000000000000
--- a/pkgs/development/libraries/nss/3_114.nix
+++ /dev/null
@@ -1,6 +0,0 @@
-import ./generic.nix {
-  version = "3.114.1";
-  hash = "sha256-xs7G5MHOd6mPVpBfDd2fFG2qw+5KypBTPqErbl0zfrk=";
-  filename = "3_114.nix";
-  versionRegex = "NSS_(3)_(114)(?:_(\\d+))?_RTM";
-}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c5d04515ace3..7cc8d06f4ca1 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8227,7 +8227,6 @@ with pkgs;
 
   nss_latest = callPackage ../development/libraries/nss/latest.nix { };
   nss_3_115 = callPackage ../development/libraries/nss/3_115.nix { };
-  nss_3_114 = callPackage ../development/libraries/nss/3_114.nix { };
   nss_esr = callPackage ../development/libraries/nss/esr.nix { };
   nss = nss_esr;
   nssTools = nss.tools;