diff --git a/pkgs/tools/system/plan9port/default.nix b/pkgs/tools/system/plan9port/default.nix
index 83b006e786f1..c14fbc49e0d5 100644
--- a/pkgs/tools/system/plan9port/default.nix
+++ b/pkgs/tools/system/plan9port/default.nix
@@ -1,24 +1,22 @@
-{ stdenv, fetchgit, which, libX11, libXt, fontconfig, freetype
+{ stdenv, fetchFromGitHub, which, libX11, libXt, fontconfig, freetype
 , xorgproto ? null
 , libXext ? null
 , zlib ? null
-  # For building web manuals
-, perl ? null
-, samChordingSupport ? true #from 9front
+, perl ? null  # For building web manuals
 }:
 
 stdenv.mkDerivation rec {
-  name = "plan9port-2018-09-20";
+  pname = "plan9port";
+  version = "2019-02-25";
+  name = "${pname}-${version}";
 
-  src = fetchgit {
-    # Latest, same as on github, google code is old
-    url = "https://github.com/9fans/plan9port.git";
-    rev = "a82a8b6368274d77d42f526e379b74e79c137e26";
-    sha256 = "1icywcnqv0dz1mkm7giakii536nycp0ajxnmzkx4944dxsmhcwq1";
+  src =  fetchFromGitHub {
+    owner = "9fans";
+    repo = "plan9port";
+    rev = "047fd921744f39a82a86d9370e03f7af511e6e84";
+    sha256 = "1lp17948q7vpl8rc2bf5a45bc8jqyj0s3zffmks9r25ai42vgb43";
   };
 
-  patches = stdenv.lib.optionals samChordingSupport [ ./sam_chord_9front.patch ];
-
   postPatch = ''
     #hardcoded path
     substituteInPlace src/cmd/acme/acme.c \
@@ -36,37 +34,20 @@ stdenv.mkDerivation rec {
       --replace "case Kcmd+'v':" "case 0x16: case Kcmd+'v':"
   '';
 
-  builder = ./builder.sh;
-
-  NIX_LDFLAGS="-lgcc_s";
   buildInputs = stdenv.lib.optionals (!stdenv.isDarwin) [
-    which
-    perl
-    libX11
-    fontconfig
-    xorgproto
-    libXt
-    libXext
-    freetype #fontsrv wants ft2build.h. provides system fonts for acme and sam.
+    which perl libX11 fontconfig xorgproto libXt libXext
+    freetype # fontsrv wants ft2build.h provides system fonts for acme and sam.
   ];
 
-  enableParallelBuilding = true;
+  builder = ./builder.sh;
 
-  meta = with stdenv.lib; {
-    homepage = http://swtch.com/plan9port/;
-    description = "Plan 9 from User Space";
-    license = licenses.lpl-102;
-    maintainers = with maintainers; [ bbarker ftrvxmtrx kovirobi ];
-    platforms = platforms.unix;
-  };
-  
   libX11_dev = libX11.dev;
   libXt_dev = libXt.dev;
   libXext_dev = libXext.dev;
   fontconfig_dev = fontconfig.dev;
   freetype_dev = freetype.dev;
   zlib_dev = zlib.dev;
-  
+
   xorgproto_exp = xorgproto;
   libX11_exp = libX11;
   libXt_exp = libXt;
@@ -75,4 +56,21 @@ stdenv.mkDerivation rec {
   zlib_exp = zlib;
 
   fontconfig_lib = fontconfig.lib;
+
+  NIX_LDFLAGS="-lgcc_s";
+  enableParallelBuilding = true;
+
+  meta = with stdenv.lib; {
+    homepage = https://9fans.github.io/plan9port/;
+    description = "Plan 9 from User Space";
+    longDescription = ''
+      Plan 9 from User Space (aka plan9port) is a port of many Plan 9 programs
+      from their native Plan 9 environment to Unix-like operating systems.
+    '';
+    license = licenses.lpl-102;
+    maintainers = with maintainers; [ AndersonTorres bbarker
+                                      ftrvxmtrx kovirobi ];
+    platforms = platforms.unix;
+  };
 }
+# TODO: investigate the mouse chording support patch
diff --git a/pkgs/tools/system/plan9port/sam_chord_9front.patch b/pkgs/tools/system/plan9port/sam_chord_9front.patch
deleted file mode 100644
index 8920770e810a..000000000000
--- a/pkgs/tools/system/plan9port/sam_chord_9front.patch
+++ /dev/null
@@ -1,215 +0,0 @@
-diff -r -c p9p/src/cmd/sam/xec.c p9p-patched/src/cmd/sam/xec.c
-*** p9p/src/cmd/sam/xec.c	2016-04-18 21:07:22.000000000 +0300
---- p9p-patched/src/cmd/sam/xec.c	2016-08-31 06:35:26.910876148 +0300
-***************
-*** 277,282 ****
---- 277,283 ----
-  	else
-  		while(n++ && undo(FALSE))
-  			;
-+ 	moveto(f, f->dot.r);
-  	return TRUE;
-  }
-  
-diff -r -c p9p/src/cmd/samterm/flayer.c p9p-patched/src/cmd/samterm/flayer.c
-*** p9p/src/cmd/samterm/flayer.c	2016-04-18 21:07:22.000000000 +0300
---- p9p-patched/src/cmd/samterm/flayer.c	2016-08-31 06:46:19.441411045 +0300
-***************
-*** 254,274 ****
-  int
-  flselect(Flayer *l)
-  {
-- 	int ret;
-  	if(l->visible!=All)
-  		flupfront(l);
-! 	frselect(&l->f, mousectl);
-! 	ret = 0;
-! 	if(l->f.p0==l->f.p1){
-! 		if(mousep->msec-l->click<Clicktime && l->f.p0+l->origin==l->p0){
-! 			ret = 1;
-  			l->click = 0;
-! 		}else
-! 			l->click = mousep->msec;
-! 	}else
-! 		l->click = 0;
-  	l->p0 = l->f.p0+l->origin, l->p1 = l->f.p1+l->origin;
-! 	return ret;
-  }
-  
-  void
---- 254,271 ----
-  int
-  flselect(Flayer *l)
-  {
-  	if(l->visible!=All)
-  		flupfront(l);
-! 	if(l->f.p0==l->f.p1)
-! 		if(mousep->msec-l->click<Clicktime && l->f.p0+l->origin==l->p0 && 
-! 			l->f.p0==frcharofpt(&l->f, mousep->xy)){
-  			l->click = 0;
-! 			return 1;
-! 		}
-! 	l->click = mousep->msec;
-! 	frselect(&l->f, mousectl);
-  	l->p0 = l->f.p0+l->origin, l->p1 = l->f.p1+l->origin;
-! 	return 0;
-  }
-  
-  void
-diff -r -c p9p/src/cmd/samterm/main.c p9p-patched/src/cmd/samterm/main.c
-*** p9p/src/cmd/samterm/main.c	2016-04-18 21:07:22.000000000 +0300
---- p9p-patched/src/cmd/samterm/main.c	2016-08-31 06:52:05.670322598 +0300
-***************
-*** 23,33 ****
-  char	hostlock = 1;
-  char	hasunlocked = 0;
-  int	maxtab = 8;
-- int	chord;
-  int	autoindent;
-  
-- #define chording 0	/* code here for reference but it causes deadlocks */
-- 
-  void
-  notifyf(void *a, char *msg)
-  {
---- 23,30 ----
-***************
-*** 39,45 ****
-  void
-  threadmain(int argc, char *argv[])
-  {
-! 	int i, got, scr, w;
-  	Text *t;
-  	Rectangle r;
-  	Flayer *nwhich;
---- 36,42 ----
-  void
-  threadmain(int argc, char *argv[])
-  {
-! 	int i, got, scr, chord;
-  	Text *t;
-  	Rectangle r;
-  	Flayer *nwhich;
-***************
-*** 84,89 ****
---- 81,87 ----
-  	startnewfile(Tstartcmdfile, &cmd);
-  
-  	got = 0;
-+ 	chord = 0;
-  	if(protodebug) print("loop\n");
-  	for(;;got = waitforio()){
-  		if(hasunlocked && RESIZED())
-***************
-*** 108,163 ****
-  				continue;
-  			}
-  			nwhich = flwhich(mousep->xy);
-! 			scr = which && ptinrect(mousep->xy, which->scroll);
-  			if(mousep->buttons)
-  				flushtyping(1);
-! 			if(chording && chord==1 && !mousep->buttons)
-  				chord = 0;
-! 			if(chording && chord)
-  				chord |= mousep->buttons;
-! 			else if(mousep->buttons&1){
-! 				if(nwhich){
-! 					if(nwhich!=which)
-! 						current(nwhich);
-! 					else if(scr)
-! 						scroll(which, 1);
-! 					else{
-! 						t=(Text *)which->user1;
-! 						if(flselect(which)){
-! 							outTsl(Tdclick, t->tag, which->p0);
-! 							t->lock++;
-! 						}else if(t!=&cmd)
-! 							outcmd();
-! 						if(mousep->buttons&1)
-! 							chord = mousep->buttons;
-  					}
-  				}
-  			}else if((mousep->buttons&2) && which){
-  				if(scr)
-  					scroll(which, 2);
-  				else
-  					menu2hit();
-! 			}else if((mousep->buttons&4)){
-  				if(scr)
-! 					scroll(which, 3);
-  				else
-  					menu3hit();
-  			}
-  			mouseunblock();
-  		}
-- 		if(chording && chord){
-- 			t = (Text*)which->user1;
-- 			if(!t->lock && !hostlock){
-- 				w = which-t->l;
-- 				if(chord&2){
-- 					cut(t, w, 1, 1);
-- 					chord &= ~2;
-- 				}else if(chord&4){
-- 					paste(t, w);
-- 					chord &= ~4;
-- 				}
-- 			}
-- 		}
-  	}
-  }
-  
---- 106,159 ----
-  				continue;
-  			}
-  			nwhich = flwhich(mousep->xy);
-! 			scr = which && (ptinrect(mousep->xy, which->scroll) ||
-! 				mousep->buttons&(8|16));
-  			if(mousep->buttons)
-  				flushtyping(1);
-! 			if((mousep->buttons&1)==0)
-  				chord = 0;
-! 			if(chord && which && which==nwhich){
-  				chord |= mousep->buttons;
-! 				t = (Text *)which->user1;
-! 				if(!t->lock){
-! 					int w = which-t->l;
-! 					if(chord&2){
-! 						cut(t, w, 1, 1);
-! 						chord &= ~2;
-! 					}
-! 					if(chord&4){
-! 						paste(t, w);
-! 						chord &= ~4;
-  					}
-  				}
-+ 			}else if(mousep->buttons&(1|8)){
-+ 				if(scr)
-+ 					scroll(which, (mousep->buttons&8) ? 4 : 1);
-+ 				else if(nwhich && nwhich!=which)
-+ 					current(nwhich);
-+ 				else{
-+ 					t=(Text *)which->user1;
-+ 					if(flselect(which)){
-+ 						outTsl(Tdclick, t->tag, which->p0);
-+ 						t->lock++;
-+ 					}else if(t!=&cmd)
-+ 						outcmd();
-+ 					if(mousep->buttons&1)
-+ 						chord = mousep->buttons;
-+ 				}
-  			}else if((mousep->buttons&2) && which){
-  				if(scr)
-  					scroll(which, 2);
-  				else
-  					menu2hit();
-! 			}else if(mousep->buttons&(4|16)){
-  				if(scr)
-! 					scroll(which, (mousep->buttons&16) ? 5 : 3);
-  				else
-  					menu3hit();
-  			}
-  			mouseunblock();
-  		}
-  	}
-  }
-