diff -u -r ../orig-src/ncurses/tinfo/lib_setup.c ./ncurses/tinfo/lib_setup.c
--- ../orig-src/ncurses/tinfo/lib_setup.c	2023-10-02 11:56:17.150192340 +0000
+++ ./ncurses/tinfo/lib_setup.c	2023-10-02 11:56:49.157968195 +0000
@@ -513,21 +513,6 @@
 		}
 	    }
 
-	    /*
-	     * Finally, look for environment variables.
-	     *
-	     * Solaris lets users override either dimension with an environment
-	     * variable.
-	     */
-	    if ((value = _nc_getenv_num("LINES")) > 0) {
-		*linep = value;
-		T(("screen size: environment LINES = %d", *linep));
-	    }
-	    if ((value = _nc_getenv_num("COLUMNS")) > 0) {
-		*colp = value;
-		T(("screen size: environment COLUMNS = %d", *colp));
-	    }
-
 	    _nc_default_screensize(termp, linep, colp);
 	} else {
 	    _nc_check_screensize(termp, linep, colp);
