diff --git a/pkgs/development/libraries/glibc/common.nix b/pkgs/development/libraries/glibc/common.nix
index d8cc00738a9..7e99a0c18d7 100644
--- a/pkgs/development/libraries/glibc/common.nix
+++ b/pkgs/development/libraries/glibc/common.nix
@@ -105,9 +105,6 @@ stdenv.mkDerivation ({
       # nscd needs libgcc, and we don't want it dynamically linked
       # because we don't want it to depend on bootstrap-tools libs.
       echo "LDFLAGS-nscd += -static-libgcc" >> nscd/Makefile
-
-      # bison 3.3 is too strict
-      sed 's/^BISONFLAGS = --yacc /BISONFLAGS = --yacc -Wno-error=yacc /g' -i intl/Makefile
     '';
 
   configureFlags =
diff --git a/pkgs/development/tools/parsing/bison/3.x.nix b/pkgs/development/tools/parsing/bison/3.x.nix
index 72c465b3a72..09d7daa97bf 100644
--- a/pkgs/development/tools/parsing/bison/3.x.nix
+++ b/pkgs/development/tools/parsing/bison/3.x.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "bison";
-  version = "3.3";
+  version = "3.3.1";
 
   src = fetchurl {
     url = "mirror://gnu/${pname}/${pname}-${version}.tar.gz";
-    sha256 = "1z8fjyn5gmlf97zdq88hpdf2njxg830bhrhylq25dq5dzxzzpspx";
+    sha256 = "0sz6rzmfz5scian0a28lrvkrsd0108dmxrxpqh4nyi2ahlglbma1";
   };
 
   nativeBuildInputs = [ m4 perl ] ++ stdenv.lib.optional stdenv.isSunOS help2man;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index a313bb0e18f..eeab1784f99 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9174,9 +9174,7 @@ in
 
   swig1 = callPackage ../development/tools/misc/swig { };
   swig2 = callPackage ../development/tools/misc/swig/2.x.nix { };
-  swig3 = callPackage ../development/tools/misc/swig/3.x.nix {
-    bison = bison2;
-  };
+  swig3 = callPackage ../development/tools/misc/swig/3.x.nix { };
   swig = swig3;
   swigWithJava = swig;
 
@@ -14284,7 +14282,7 @@ in
 
   iucode-tool = callPackage ../os-specific/linux/microcode/iucode-tool.nix { };
 
-  inherit (callPackages ../os-specific/linux/apparmor { python = python3; bison = bison2; })
+  inherit (callPackages ../os-specific/linux/apparmor { python = python3; })
     libapparmor apparmor-utils apparmor-bin-utils apparmor-parser apparmor-pam
     apparmor-profiles apparmor-kernel-patches;