diff --git a/src/cart/utils/memcheck-cart.supp b/src/cart/utils/memcheck-cart.supp
index b29fbe80ace..9676c1966f2 100644
--- a/src/cart/utils/memcheck-cart.supp
+++ b/src/cart/utils/memcheck-cart.supp
@@ -795,3 +795,24 @@
    fun:_cgo_b590e4e2531a_Cfunc_daos_init
    fun:runtime.asmcgocall.abi0
 }
+{
+   getpwnam_r() leak
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:getpwnam_r*
+}
+{
+   getpwuid_r() leak
+   Memcheck:Leak
+   fun:calloc
+   ...
+   fun:getpwuid_r*
+}
+{
+   localtime() leak
+   Memcheck:Leak
+   fun:malloc
+   ...
+   fun:__tz_convert
+}
diff --git a/utils/test_memcheck.supp b/utils/test_memcheck.supp
index 0d41b6e9a3d..4f5e2bca077 100644
--- a/utils/test_memcheck.supp
+++ b/utils/test_memcheck.supp
@@ -356,12 +356,11 @@
    fun:start_thread
 }
 {
-   getpwnam_r leak
+   getpwnam_r() leak
    Memcheck:Leak
+   fun:*alloc
    ...
-   fun:_nss_systemd_getpwnam_r
    fun:getpwnam_r*
-   fun:daos_acl_principal_to_uid
 }
 {
    getgrgid_r leak