diff --git a/Makefile b/Makefile
index cde2edc..c92ad70 100644
--- a/Makefile
+++ b/Makefile
@@ -85,15 +85,12 @@ LIMNORIA_SELECTORS := \
 	$(EXTRA_SELECTORS)
 
 # Tests marked with arbitrary_client_tags or react_tag can't pass because Sable does not support client tags yet
-# Tests marked with private_chathistory can't pass because Sable does not implement CHATHISTORY for DMs
-
 SABLE_SELECTORS := \
 	(Sable or not implementation-specific) \
 	and not deprecated \
 	and not strict \
 	and not arbitrary_client_tags \
 	and not react_tag \
-	and not private_chathistory \
 	and not list and not lusers and not time and not info \
 	$(EXTRA_SELECTORS)
 
diff --git a/irctest/controllers/inspircd.py b/irctest/controllers/inspircd.py
index 36abdfb..b2504dd 100644
--- a/irctest/controllers/inspircd.py
+++ b/irctest/controllers/inspircd.py
@@ -33,7 +33,8 @@ TEMPLATE_CONFIG = """
       class="ServerOperators"
       >
 
-<options casemapping="ascii">
+<options casemapping="ascii"
+         extbanformat="any">
 
 # Disable 'NOTICE #chan :*** foo invited bar into the channel-
 <security announceinvites="none">
diff --git a/irctest/server_tests/whois.py b/irctest/server_tests/whois.py
index 274fe04..475dcf6 100644
--- a/irctest/server_tests/whois.py
+++ b/irctest/server_tests/whois.py
@@ -221,7 +221,6 @@ class WhoisTestCase(_WhoisTestMixin, cases.BaseServerTestCase):
         )
 
     @cases.mark_specifications("RFC2812")
-    @cases.xfailIfSoftware(["Sable"], "https://github.com/Libera-Chat/sable/issues/101")
     def testWhoisMissingUser(self):
         """Test WHOIS on a nonexistent nickname."""
         self.connectClient("qux", name="qux")