diff --git a/pkgs/development/libraries/nss/3.44.nix b/pkgs/development/libraries/nss/3.44.nix
deleted file mode 100644
index b08b8b3ed2a7..000000000000
--- a/pkgs/development/libraries/nss/3.44.nix
+++ /dev/null
@@ -1,144 +0,0 @@
-{ lib, stdenv, fetchurl, nspr, perl, zlib, sqlite, fixDarwinDylibNames, buildPackages }:
-
-let
-  nssPEM = fetchurl {
-    url = "http://dev.gentoo.org/~polynomial-c/mozilla/nss-3.15.4-pem-support-20140109.patch.xz";
-    sha256 = "10ibz6y0hknac15zr6dw4gv9nb5r5z9ym6gq18j3xqx7v7n3vpdw";
-  };
-  version = "3.44.4";
-  underscoreVersion = builtins.replaceStrings ["."] ["_"] version;
-
-in stdenv.mkDerivation rec {
-  pname = "nss";
-  inherit version;
-
-  src = fetchurl {
-    url = "mirror://mozilla/security/nss/releases/NSS_${underscoreVersion}_RTM/src/${pname}-${version}.tar.gz";
-    sha256 = "7ec1a52e20fd9a23e1907eeba8f4f2ecd619dac5d20fa023ec5b4faa1843e847";
-  };
-
-  depsBuildBuild = [ buildPackages.stdenv.cc ];
-
-  nativeBuildInputs = [ perl ]
-    ++ lib.optional stdenv.hostPlatform.isDarwin fixDarwinDylibNames;
-
-  buildInputs = [ zlib sqlite ];
-
-  propagatedBuildInputs = [ nspr ];
-
-  prePatch = ''
-    xz -d < ${nssPEM} | patch -p1
-  '';
-
-  patches =
-    [
-      # Based on http://patch-tracker.debian.org/patch/series/dl/nss/2:3.15.4-1/85_security_load.patch
-      ./85_security_load-3.44.patch
-      ./ckpem.patch
-    ];
-
-  patchFlags = [ "-p0" ];
-
-  postPatch = lib.optionalString stdenv.isDarwin ''
-    substituteInPlace nss/coreconf/Darwin.mk --replace '@executable_path/$(notdir $@)' "$out/lib/\$(notdir \$@)"
-  '';
-
-  outputs = [ "out" "dev" "tools" ];
-
-  preConfigure = "cd nss";
-
-  makeFlags = let
-    # NSS's build systems expects aarch32 to be called arm; if we pass in armv6l/armv7l, it
-    # fails with a linker error
-    cpu = if stdenv.hostPlatform.isAarch32 then "arm" else stdenv.hostPlatform.parsed.cpu.name;
-  in [
-    "NSPR_INCLUDE_DIR=${nspr.dev}/include"
-    "NSPR_LIB_DIR=${nspr.out}/lib"
-    "NSDISTMODE=copy"
-    "BUILD_OPT=1"
-    "SOURCE_PREFIX=\$(out)"
-    "NSS_ENABLE_ECC=1"
-    "USE_SYSTEM_ZLIB=1"
-    "NSS_USE_SYSTEM_SQLITE=1"
-    "NATIVE_CC=${buildPackages.stdenv.cc}/bin/cc"
-  ] ++ lib.optionals (!stdenv.isDarwin) [
-    # Pass in CPU even if we're not cross compiling, because otherwise it tries to guess with
-    # uname, which can be wrong if e.g. we're compiling for aarch32 on aarch64
-    "OS_TEST=${cpu}"
-    "CPU_ARCH=${cpu}"
-  ] ++ lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) [
-    "CROSS_COMPILE=1"
-    "NSS_DISABLE_GTESTS=1" # don't want to build tests when cross-compiling
-  ] ++ lib.optional stdenv.is64bit "USE_64=1"
-    ++ lib.optional stdenv.isDarwin "CCC=clang++";
-
-  NIX_CFLAGS_COMPILE = "-Wno-error";
-
-  # TODO(@oxij): investigate this: `make -n check` works but `make
-  # check` fails with "no rule", same for "installcheck".
-  doCheck = false;
-  doInstallCheck = false;
-
-  postInstall = ''
-    rm -rf $out/private
-    mv $out/public $out/include
-    mv $out/*.OBJ/* $out/
-    rmdir $out/*.OBJ
-
-    ln -s lib $out/lib64
-
-    # Upstream issue: https://bugzilla.mozilla.org/show_bug.cgi?id=530672
-    # https://gitweb.gentoo.org/repo/gentoo.git/plain/dev-libs/nss/files/nss-3.32-gentoo-fixups.patch?id=af1acce6c6d2c3adb17689261dfe2c2b6771ab8a
-    NSS_MAJOR_VERSION=`grep "NSS_VMAJOR" lib/nss/nss.h | awk '{print $3}'`
-    NSS_MINOR_VERSION=`grep "NSS_VMINOR" lib/nss/nss.h | awk '{print $3}'`
-    NSS_PATCH_VERSION=`grep "NSS_VPATCH" lib/nss/nss.h | awk '{print $3}'`
-    PREFIX="$out"
-
-    mkdir -p $out/lib/pkgconfig
-    sed -e "s,%prefix%,$PREFIX," \
-        -e "s,%exec_prefix%,$PREFIX," \
-        -e "s,%libdir%,$PREFIX/lib64," \
-        -e "s,%includedir%,$dev/include/nss," \
-        -e "s,%NSS_VERSION%,$NSS_MAJOR_VERSION.$NSS_MINOR_VERSION.$NSS_PATCH_VERSION,g" \
-        -e "s,%NSPR_VERSION%,4.16,g" \
-        pkg/pkg-config/nss.pc.in > $out/lib/pkgconfig/nss.pc
-    chmod 0644 $out/lib/pkgconfig/nss.pc
-
-    sed -e "s,@prefix@,$PREFIX," \
-        -e "s,@MOD_MAJOR_VERSION@,$NSS_MAJOR_VERSION," \
-        -e "s,@MOD_MINOR_VERSION@,$NSS_MINOR_VERSION," \
-        -e "s,@MOD_PATCH_VERSION@,$NSS_PATCH_VERSION," \
-        pkg/pkg-config/nss-config.in > $out/bin/nss-config
-    chmod 0755 $out/bin/nss-config
-  '';
-
-  postFixup = let
-    isCross = stdenv.hostPlatform != stdenv.buildPlatform;
-    nss = if isCross then buildPackages.nss.tools else "$out";
-  in ''
-    for libname in freebl3 nssdbm3 softokn3
-    do '' +
-    (if stdenv.isDarwin
-     then ''
-       libfile="$out/lib/lib$libname.dylib"
-       DYLD_LIBRARY_PATH=$out/lib:${nspr.out}/lib \
-     '' else ''
-       libfile="$out/lib/lib$libname.so"
-       LD_LIBRARY_PATH=$out/lib:${nspr.out}/lib \
-     '') + ''
-        ${nss}/bin/shlibsign -v -i "$libfile"
-    done
-
-    moveToOutput bin "$tools"
-    moveToOutput bin/nss-config "$dev"
-    moveToOutput lib/libcrmf.a "$dev" # needed by firefox, for example
-    rm -f "$out"/lib/*.a
-  '';
-
-  meta = with lib; {
-    homepage = "https://developer.mozilla.org/en-US/docs/NSS";
-    description = "A set of libraries for development of security-enabled client and server applications";
-    license = licenses.mpl20;
-    platforms = platforms.all;
-  };
-}
diff --git a/pkgs/development/libraries/nss/85_security_load-3.44.patch b/pkgs/development/libraries/nss/85_security_load-3.44.patch
deleted file mode 100644
index 132d5a96b29f..000000000000
--- a/pkgs/development/libraries/nss/85_security_load-3.44.patch
+++ /dev/null
@@ -1,81 +0,0 @@
-diff -ru -x '*~' -x '*.orig' -x '*.rej' nss/cmd/shlibsign/shlibsign.c nss/cmd/shlibsign/shlibsign.c
---- nss/cmd/shlibsign/shlibsign.c	2017-01-04 15:24:24.000000000 +0100
-+++ nss/cmd/shlibsign/shlibsign.c	2017-01-24 14:43:31.030420852 +0100
-@@ -875,6 +875,8 @@
-         goto cleanup;
-     }
-     lib = PR_LoadLibrary(libname);
-+    if (!lib)
-+        lib = PR_LoadLibrary(NIX_NSS_LIBDIR"libsoftokn3.so");
-     assert(lib != NULL);
-     if (!lib) {
-         PR_fprintf(PR_STDERR, "loading softokn3 failed");
-diff -ru -x '*~' -x '*.orig' -x '*.rej' nss/coreconf/config.mk nss/coreconf/config.mk
---- nss/coreconf/config.mk	2017-01-04 15:24:24.000000000 +0100
-+++ nss/coreconf/config.mk	2017-01-24 14:43:47.989432372 +0100
-@@ -202,3 +202,6 @@
- 
- # Hide old, deprecated, TLS cipher suite names when building NSS
- DEFINES += -DSSL_DISABLE_DEPRECATED_CIPHER_SUITE_NAMES
-+
-+# Nix specific stuff.
-+DEFINES += -DNIX_NSS_LIBDIR=\"$(out)/lib/\"
-diff -ru -x '*~' -x '*.orig' -x '*.rej' nss/lib/pk11wrap/pk11load.c nss/lib/pk11wrap/pk11load.c
---- nss/lib/pk11wrap/pk11load.c	2017-01-04 15:24:24.000000000 +0100
-+++ nss/lib/pk11wrap/pk11load.c	2017-01-24 14:45:06.883485652 +0100
-@@ -440,6 +440,13 @@
-          * unload the library if anything goes wrong from here on out...
-          */
-         library = PR_LoadLibrary(mod->dllName);
-+        if ((library == NULL) &&
-+            !rindex(mod->dllName, PR_GetDirectorySeparator())) {
-+            library = PORT_LoadLibraryFromOrigin(my_shlib_name,
-+                (PRFuncPtr) &softoken_LoadDSO,
-+                mod->dllName);
-+        }
-+
-         mod->library = (void *)library;
- 
-         if (library == NULL) {
-diff -ru -x '*~' -x '*.orig' -x '*.rej' nss/lib/util/secload.c nss/lib/util/secload.c
---- nss/lib/util/secload.c	2017-01-04 15:24:24.000000000 +0100
-+++ nss/lib/util/secload.c	2017-01-24 14:43:31.030420852 +0100
-@@ -70,9 +70,14 @@
- 
-     /* Remove the trailing filename from referencePath and add the new one */
-     c = strrchr(referencePath, PR_GetDirectorySeparator());
-+    if (!c) { /* referencePath doesn't contain a / means that dladdr gave us argv[0]
-+               * and program was called from $PATH. Hack to get libs from NIX_NSS_LIBDIR */
-+        referencePath = NIX_NSS_LIBDIR;
-+        c = (char*) &referencePath[sizeof(NIX_NSS_LIBDIR) - 1]; /* last / */
-+    }
-     if (c) {
-         size_t referencePathSize = 1 + c - referencePath;
--        fullName = (char*)PORT_Alloc(strlen(name) + referencePathSize + 1);
-+        fullName = (char*) PORT_Alloc(strlen(name) + referencePathSize + 5);
-         if (fullName) {
-             memcpy(fullName, referencePath, referencePathSize);
-             strcpy(fullName + referencePathSize, name);
-@@ -82,6 +87,11 @@
- #endif
-             libSpec.type = PR_LibSpec_Pathname;
-             libSpec.value.pathname = fullName;
-+            if ((referencePathSize >= 4) &&
-+                (strncmp(fullName + referencePathSize - 4, "bin", 3) == 0)) {
-+                memcpy(fullName + referencePathSize -4, "lib", 3);
-+            }
-+            strcpy(fullName + referencePathSize, name);
-             dlh = PR_LoadLibraryWithFlags(libSpec, PR_LD_NOW | PR_LD_LOCAL
- #ifdef PR_LD_ALT_SEARCH_PATH
-                                                        /* allow library's dependencies to be found in the same directory
-@@ -89,6 +99,10 @@
-                                                        | PR_LD_ALT_SEARCH_PATH
- #endif
-                                           );
-+            if (! dlh) {
-+                strcpy(fullName + referencePathSize, name);
-+                dlh = PR_LoadLibraryWithFlags(libSpec, PR_LD_NOW | PR_LD_LOCAL);
-+            }
-             PORT_Free(fullName);
-         }
-     }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 8fb98e28c1cd..1d7a4eced0f0 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -16927,7 +16927,6 @@ in
   };
 
   nss = lowPrio (callPackage ../development/libraries/nss { });
-  nss_3_44 = lowPrio (callPackage ../development/libraries/nss/3.44.nix { });
   nssTools = nss.tools;
 
   # required for stable thunderbird and firefox-esr-78