diff --git a/pkgs/test/texlive/default.nix b/pkgs/test/texlive/default.nix
index e2c714100f90..12c42444f183 100644
--- a/pkgs/test/texlive/default.nix
+++ b/pkgs/test/texlive/default.nix
@@ -373,7 +373,7 @@ rec {
       # (1) binaries requiring --help or -h
       help = [ "arlatex" "bundledoc" "cachepic" "checklistings" "dvipos" "extractres" "fig4latex" "fragmaster"
         "kpsewhere" "latex-git-log" "ltxfileinfo" "mendex" "perltex" "pn2pdf" "psbook" "psnup" "psresize" "purifyeps"
-        "simpdftex" "tex2xindy" "texluac" "texluajitc" "urlbst" "yplan" ];
+        "simpdftex" "tex2xindy" "texluac" "texluajitc" "upmendex" "urlbst" "yplan" ];
       shortHelp = [ "adhocfilelist" "authorindex" "bbl2bib" "bibdoiadd" "bibmradd" "biburl2doi" "bibzbladd" "ctanupload"
         "disdvi" "dvibook" "dviconcat" "getmapdl" "latex2man" "listings-ext.sh" "pygmentex" ];
       # (2) binaries that return non-zero exit code even if correctly asked for help
diff --git a/pkgs/tools/typesetting/tex/texlive/bin.nix b/pkgs/tools/typesetting/tex/texlive/bin.nix
index 31720ae8022e..2780c1d63f4d 100644
--- a/pkgs/tools/typesetting/tex/texlive/bin.nix
+++ b/pkgs/tools/typesetting/tex/texlive/bin.nix
@@ -206,7 +206,7 @@ core = stdenv.mkDerivation rec {
 
 inherit (core-big) metafont mflua metapost luatex luahbtex xetex;
 luajittex = core.big.luajittex or null;
-core-big = stdenv.mkDerivation { #TODO: upmendex
+core-big = stdenv.mkDerivation {
   pname = "texlive-core-big.bin";
   inherit version;
 
@@ -260,7 +260,7 @@ core-big = stdenv.mkDerivation { #TODO: upmendex
       texk/{afm2pl,bibtex-x,chktex,cjkutils,detex,dtl,dvi2tty,dvidvi,dviljk,dviout-util} \
       texk/{dvipdfm-x,dvipng,dvipos,dvipsk,dvisvgm,gregorio,gsftopk,kpathsea} \
       texk/{lcdf-typetools,makeindexk,makejvf,mendexk,musixtnt,ps2pk,psutils,ptexenc} \
-      texk/{seetexk,tex4htk,texlive,ttf2pk2,ttfdump,upmendex,xdvik} \
+      texk/{seetexk,tex4htk,texlive,ttf2pk2,ttfdump,xdvik} \
       utils/{asymptote,autosp,axodraw2,devnag,lacheck,m-tx,pmx,ps2eps,t1utils,texdoctk} \
       utils/{tpic2pdftex,vlna,xindy,xml2pmx,xpdfopen}
     mkdir WorkDir
@@ -274,8 +274,8 @@ core-big = stdenv.mkDerivation { #TODO: upmendex
       ([ "tex" "ptex" "eptex" "uptex" "euptex" "aleph" "hitex" "pdftex"
         "web-progs" "synctex"
       ] ++ lib.optionals (!withLuaJIT) [ "luajittex" "luajithbtex" "mfluajit" ])
-    /* disable all packages, re-enable web2c package */
-    ++ [ "--disable-all-pkgs" "--enable-web2c" ]
+    /* disable all packages, re-enable upmendex, web2c packages */
+    ++ [ "--disable-all-pkgs" "--enable-upmendex" "--enable-web2c" ]
     /* kpathsea requires specifying the kpathsea location manually */
     ++ [ "--with-kpathsea-includes=${core.dev}/include" ];
 
diff --git a/pkgs/tools/typesetting/tex/texlive/tlpdb-overrides.nix b/pkgs/tools/typesetting/tex/texlive/tlpdb-overrides.nix
index cbf5bb89ffa3..6b974c721437 100644
--- a/pkgs/tools/typesetting/tex/texlive/tlpdb-overrides.nix
+++ b/pkgs/tools/typesetting/tex/texlive/tlpdb-overrides.nix
@@ -106,10 +106,6 @@ in lib.recursiveUpdate orig rec {
 
   # remove man
   texlive-scripts.binfiles = lib.remove "man" orig.texlive-scripts.binfiles;
-
-  # upmendex is "TODO" in bin.nix
-  uptex.binfiles = lib.remove "upmendex" orig.uptex.binfiles;
-
   # xindy is broken on some platforms unfortunately
   xindy.binfiles = if bin ? xindy
     then lib.subtractLists [ "xindy.mem" "xindy.run" ] orig.xindy.binfiles