--- a/Src/builtin.c
+++ b/Src/builtin.c
@@ -7158,18 +7158,10 @@
 {
     struct tms buf;
     long clktck = get_clktck();
-
-    /* get time accounting information */
-    if (times(&buf) == -1)
-	return 1;
-    pttime(buf.tms_utime);	/* user time */
-    putchar(' ');
-    pttime(buf.tms_stime);	/* system time */
-    putchar('\n');
-    pttime(buf.tms_cutime);	/* user time, children */
-    putchar(' ');
-    pttime(buf.tms_cstime);	/* system time, children */
-    putchar('\n');
+    /* TODO: times() is not available on Redox; stubbed out.
+     * Re-enable when relibc gains times() support. */
+    (void)buf;
+    (void)clktck;
     return 0;
 }
 
--- a/Src/Builtins/rlimits.c
+++ b/Src/Builtins/rlimits.c
@@ -892,7 +892,8 @@
 int
 boot_(UNUSED(Module m))
 {
-    set_resinfo();
+    /* TODO: set_resinfo() relies on getrusage() which is unavailable on Redox.
+     * Re-enable when relibc gains getrusage() support. */
     return 0;
 }
 
@@ -900,7 +901,8 @@
 int
 cleanup_(Module m)
 {
-    free_resinfo();
+    /* TODO: free_resinfo() paired with set_resinfo(); disabled on Redox.
+     * Re-enable when relibc gains getrusage() support. */
     return setfeatureenables(m, &module_features, NULL);
 }
 
--- a/Src/zsh_system.h
+++ b/Src/zsh_system.h
@@ -539,6 +539,14 @@
 
 #ifdef HAVE_SYS_RESOURCE_H
 # include <sys/resource.h>
+/* Redox: RLIM_NLIMITS may not be defined even with sys/resource.h */
+#ifndef RLIM_NLIMITS
+# ifdef RLIMIT_NLIMITS
+#  define RLIM_NLIMITS RLIMIT_NLIMITS
+# else
+#  define RLIM_NLIMITS 7
+# endif
+#endif
 # if defined(__hpux) && !defined(RLIMIT_CPU)
 /* HPUX does have the BSD rlimits in the kernel.  Officially they are *
  * unsupported but quite a few of them like RLIMIT_CORE seem to work. *
--- a/Src/jobs.c
+++ b/Src/jobs.c
@@ -1029,7 +1029,7 @@
 	    return 1;
 #else
 	{
-	    clktck = get_clktck();
+	    long clktck = get_clktck();
 	    if ((j->procs->ti.ut + j->procs->ti.st) / clktck >= reporttime)
 		return 1;
 	}