diff '--color=auto' -ur chapel-2.8.0.orig/util/chplenv/chpl_jemalloc.py chapel-2.8.0/util/chplenv/chpl_jemalloc.py
--- chapel-2.8.0.orig/util/chplenv/chpl_jemalloc.py	2026-03-09 20:39:09.000000000 +0100
+++ chapel-2.8.0/util/chplenv/chpl_jemalloc.py	2026-03-12 18:13:52.983298493 +0100
@@ -52,11 +52,7 @@
         error("Invalid flag: '{0}'".format(flag), ValueError)
 
     if flag == "host":
-        if linux and mem_val == "jemalloc" and jemalloc_val == "system":
-            error(
-                "CHPL_HOST_JEMALLOC=system is not supported on Linux for host builds"
-            )
-        elif darwin and mem_val == "jemalloc" and jemalloc_val == "bundled":
+        if darwin and mem_val == "jemalloc" and jemalloc_val == "bundled":
             error(
                 "CHPL_HOST_JEMALLOC=bundled is not supported on Mac for host builds"
             )