diff --git a/pkgs/applications/audio/pianobar/default.nix b/pkgs/applications/audio/pianobar/default.nix
index e21815574d1..1518ed9b794 100644
--- a/pkgs/applications/audio/pianobar/default.nix
+++ b/pkgs/applications/audio/pianobar/default.nix
@@ -23,6 +23,5 @@ stdenv.mkDerivation rec {
     homepage = http://6xq.net/projects/pianobar/;
     platforms = platforms.linux;
     license = licenses.mit; # expat version
-    maintainers = with maintainers; [ eduarrrd ];
   };
 }
diff --git a/pkgs/applications/graphics/photoqt/default.nix b/pkgs/applications/graphics/photoqt/default.nix
index 01affbbbd94..7571bb29bec 100644
--- a/pkgs/applications/graphics/photoqt/default.nix
+++ b/pkgs/applications/graphics/photoqt/default.nix
@@ -31,6 +31,5 @@ stdenv.mkDerivation rec {
     description = "Simple, yet powerful and good looking image viewer";
     license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.unix;
-    maintainers = [ stdenv.lib.maintainers.eduarrrd ];
   };
 }
diff --git a/pkgs/applications/misc/dfilemanager/default.nix b/pkgs/applications/misc/dfilemanager/default.nix
index 6cbdc8ece0c..eeb7a8ccf52 100644
--- a/pkgs/applications/misc/dfilemanager/default.nix
+++ b/pkgs/applications/misc/dfilemanager/default.nix
@@ -20,6 +20,5 @@ stdenv.mkDerivation {
     description = "File manager written in Qt/C++";
     license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.unix;
-    maintainers = [ stdenv.lib.maintainers.eduarrrd ];
   };
 }
diff --git a/pkgs/development/libraries/mesa-darwin/default.nix b/pkgs/development/libraries/mesa-darwin/default.nix
index f18c1e693cb..2bfdb679156 100644
--- a/pkgs/development/libraries/mesa-darwin/default.nix
+++ b/pkgs/development/libraries/mesa-darwin/default.nix
@@ -50,6 +50,12 @@ let
 
     configurePhase = ":";
 
+    configureFlags = [
+      # NOTE: Patents expired on June 17 2018.
+      # For details see: https://www.phoronix.com/scan.php?page=news_item&px=OpenGL-Texture-Float-Freed
+      "texture-float"
+    ];
+
     makeFlags = "INSTALL_DIR=\${out} CC=cc CXX=c++";
 
     enableParallelBuilding = true;
diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index 480afcf607a..ab2aa0ce3ae 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -4,11 +4,7 @@
 , llvmPackages, libffi, libomxil-bellagio, libva-minimal
 , libelf, libvdpau, valgrind-light, python2
 , libglvnd
-, grsecEnabled ? false
 , enableRadv ? true
-# Texture floats are patented, see docs/patents.txt, so we don't enable them for full Mesa.
-# It's overridden for mesa_drivers.
-, enableTextureFloats ? false
 , galliumDrivers ? null
 , driDrivers ? null
 , vulkanDrivers ? null
@@ -90,7 +86,6 @@ let self = stdenv.mkDerivation {
   #  revive ./dricore-gallium.patch when it gets ported (from Ubuntu), as it saved
   #  ~35 MB in $drivers; watch https://launchpad.net/ubuntu/+source/mesa/+changelog
   patches = [
-    ./glx_ro_text_segm.patch # fix for grsecurity/PaX
     ./symlink-drivers.patch
     ./missing-includes.patch # dev_t needs sys/stat.h, time_t needs time.h, etc.-- fixes build w/musl
   ];
@@ -115,8 +110,6 @@ let self = stdenv.mkDerivation {
       ("--with-vulkan-drivers=" +
         builtins.concatStringsSep "," vulkanDrivers))
   ++ [
-    (enableFeature enableTextureFloats "texture-float")
-    (enableFeature grsecEnabled "glx-rts")
     (enableFeature stdenv.isLinux "dri3")
     (enableFeature stdenv.isLinux "nine") # Direct3D in Wine
     "--enable-libglvnd"
@@ -135,7 +128,6 @@ let self = stdenv.mkDerivation {
     "--enable-xvmc"
     "--enable-vdpau"
     "--enable-shared-glapi"
-    "--enable-sysfs"
     "--enable-llvm-shared-libs"
     "--enable-omx-bellagio"
     "--enable-va"
@@ -272,7 +264,7 @@ let self = stdenv.mkDerivation {
     homepage = https://www.mesa3d.org/;
     license = licenses.mit; # X11 variant, in most files
     platforms = platforms.linux;
-    maintainers = with maintainers; [ eduarrrd vcunat ];
+    maintainers = with maintainers; [ vcunat ];
   };
 };
 in self
diff --git a/pkgs/development/libraries/mesa/glx_ro_text_segm.patch b/pkgs/development/libraries/mesa/glx_ro_text_segm.patch
deleted file mode 100644
index 95f01ba9e52..00000000000
--- a/pkgs/development/libraries/mesa/glx_ro_text_segm.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-diff --git a/configure.ac b/configure.ac
-index 5068913..3d4271e 100644
---- a/configure.ac
-+++ b/configure.ac
-@@ -429,6 +429,20 @@ AC_SUBST([GLESv2_LIB_GLOB])
- AC_SUBST([VG_LIB_GLOB])
- AC_SUBST([GLAPI_LIB_GLOB])
- 
-+
-+dnl readonly text segment on x86 hardened platforms
-+AC_ARG_ENABLE([glx_rts],
-+    [AS_HELP_STRING([--enable-glx-rts],
-+        [on x86, use a readonly text segment for libGL @<:@default=disabled@:>@])],
-+    [enable_glx_rts="$enableval"],
-+    [enable_glx_rts=no])
-+if test "x$enable_glx_rts" = xyes; then
-+    DEFINES="$DEFINES -DGLX_X86_READONLY_TEXT"
-+else
-+    enable_glx_rts=no
-+fi
-+
-+
- dnl
- dnl Arch/platform-specific settings
- dnl
diff --git a/pkgs/servers/http/pshs/default.nix b/pkgs/servers/http/pshs/default.nix
index a0a1addeeeb..2205c91789f 100644
--- a/pkgs/servers/http/pshs/default.nix
+++ b/pkgs/servers/http/pshs/default.nix
@@ -21,7 +21,6 @@ stdenv.mkDerivation rec {
     description = "Pretty small HTTP server - a command-line tool to share files";
     homepage = https://github.com/mgorny/pshs;
     license = stdenv.lib.licenses.bsd3;
-    maintainers = [ stdenv.lib.maintainers.eduarrrd ];
     platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b8f2255a402..1552cf79040 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11006,19 +11006,16 @@ with pkgs;
   libGLDarwinOr = alternative: if stdenv.isDarwin then libGLDarwin else alternative;
 
   mesa_noglu = callPackage ../development/libraries/mesa {
-    # makes it slower, but during runtime we link against just mesa_drivers
-    # through /run/opengl-driver*, which is overriden according to config.grsecurity
-    # grsecEnabled = true; # no more support in nixpkgs ATM
     llvmPackages = llvmPackages_6;
   };
 
   mesa_glu =  callPackage ../development/libraries/mesa-glu { };
-  mesa_drivers =
-    let mo = mesa_noglu.override {
-      grsecEnabled = config.grsecurity or false;
-      enableTextureFloats = true;
-    };
-    in mo.drivers;
+
+  # NOTE: 2018-07-12: legacy alias:
+  # gcsecurity bussiness is done: https://www.theregister.co.uk/2018/02/08/bruce_perens_grsecurity_anti_slapp/
+  # floating point textures patents are expired,
+  # so package reduced to alias
+  mesa_drivers = mesa_noglu;
 
   ## End libGL/libGLU/Mesa stuff