diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 5eeac8e9b8..1057c35bea 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -18,7 +18,7 @@ jobs:
         with:
           msystem: MSYS
           update: true
-          install: msys2-devel base-devel autotools cocom diffutils gcc gettext-devel libiconv-devel make mingw-w64-cross-crt mingw-w64-cross-gcc mingw-w64-cross-zlib perl zlib-devel xmlto docbook-xsl
+          install: msys2-devel base-devel autotools cocom diffutils gcc gettext-devel libiconv-devel make mingw-w64-cross-crt mingw-w64-cross-gcc mingw-w64-cross-zlib perl zlib-devel xmlto docbook-xsl libzstd-devel
 
       - name: Build
         shell: msys2 {0}
diff --git a/winsup/utils/mingw/cygcheck.cc b/winsup/utils/mingw/cygcheck.cc
index 1637683c26..22c7d181ae 100644
--- a/winsup/utils/mingw/cygcheck.cc
+++ b/winsup/utils/mingw/cygcheck.cc
@@ -1706,7 +1706,6 @@ dump_sysinfo ()
   else
     {
       char sep = strchr (s, ';') ? ';' : ':';
-      int count_path_items = 0;
       while (1)
 	{
 	  for (e = s; *e && *e != sep; e++);
@@ -1714,7 +1713,6 @@ dump_sysinfo ()
 	    printf ("\t%.*s\n", (int) (e - s), s);
 	  else
 	    puts ("\t.");
-	  count_path_items++;
 	  if (!*e)
 	    break;
 	  s = e + 1;