diff --git a/ietf/api/views.py b/ietf/api/views.py
index 2867addee..91068da28 100644
--- a/ietf/api/views.py
+++ b/ietf/api/views.py
@@ -36,7 +36,6 @@ from ietf.ietfauth.utils import role_required
 from ietf.meeting.models import Meeting
 from ietf.stats.models import MeetingRegistration
 from ietf.utils.decorators import require_api_key
-from ietf.utils.log import log
 from ietf.utils.models import DumpInfo
 
 
@@ -154,7 +153,6 @@ def api_new_meeting_registration(request):
             if value is None and item in required_fields:
                 missing_fields.append(item)
             data[item] = value
-        log("Meeting registration notification: %s" % json.dumps(data))
         if missing_fields:
             return err(400, "Missing parameters: %s" % ', '.join(missing_fields))
         number = data['meeting']
diff --git a/ietf/bin/merge-person-records b/ietf/bin/merge-person-records
index 146f5ba4d..155e5755f 100755
--- a/ietf/bin/merge-person-records
+++ b/ietf/bin/merge-person-records
@@ -31,7 +31,6 @@ from django.contrib import admin
 from ietf.person.models import Person
 from ietf.person.utils import (merge_persons, send_merge_notification, handle_users,
     determine_merge_order)
-from ietf.utils.log import log
 
 
 def main():
diff --git a/ietf/doc/models.py b/ietf/doc/models.py
index eb66b658a..23a2403bf 100644
--- a/ietf/doc/models.py
+++ b/ietf/doc/models.py
@@ -7,7 +7,6 @@ import logging
 import io
 import os
 import rfc2html
-import time
 
 from typing import Optional, TYPE_CHECKING
 from weasyprint import HTML as wpHTML
@@ -15,7 +14,6 @@ from weasyprint import HTML as wpHTML
 from django.db import models
 from django.core import checks
 from django.core.cache import caches
-from django.core.exceptions import ValidationError
 from django.core.validators import URLValidator, RegexValidator
 from django.urls import reverse as urlreverse
 from django.contrib.contenttypes.models import ContentType
@@ -221,12 +219,8 @@ class DocumentInfo(models.Model):
         if not hasattr(self, '_cached_href'):
             validator = URLValidator()
             if self.external_url and self.external_url.split(':')[0] in validator.schemes:
-                try:
-                    validator(self.external_url)
-                    return self.external_url
-                except ValidationError:
-                    log.unreachable('2018-12-28')
-                    pass
+                validator(self.external_url)
+                return self.external_url
 
             if self.type_id in settings.DOC_HREFS and self.type_id in meeting_doc_refs:
                 if self.meeting_related():
@@ -582,7 +576,6 @@ class DocumentInfo(models.Model):
             try:
                 pdf = wpHTML(string=html.replace('\xad','')).write_pdf(stylesheets=[io.BytesIO(b'html { font-size: 94%;}')])
             except AssertionError:
-                log.log(f'weasyprint failed with an assert on {self.name}')
                 pdf = None
             if pdf:
                 cache.set(cache_key, pdf, settings.PDFIZER_CACHE_TIME)
@@ -819,16 +812,12 @@ class Document(DocumentInfo):
         assert events, "You must always add at least one event to describe the changes in the history log"
         self.time = max(self.time, events[0].time)
 
-        mark = time.time()
         self._has_an_event_so_saving_is_allowed = True
         self.save()
         del self._has_an_event_so_saving_is_allowed
-        log.log(f'{time.time()-mark:.3f} seconds to save {self.name} Document')
 
-        mark = time.time()
         from ietf.doc.utils import save_document_in_history
         save_document_in_history(self)
-        log.log(f'{time.time()-mark:.3f} seconds to save {self.name} DocHistory')
 
     def save(self, *args, **kwargs):
         # if there's no primary key yet, we can allow the save to go
@@ -1235,11 +1224,7 @@ class DocEvent(models.Model):
 
     def __str__(self):
         return u"%s %s by %s at %s" % (self.doc.name, self.get_type_display().lower(), self.by.plain_name(), self.time)
-
-    def save(self, *args, **kwargs):
-        super(DocEvent, self).save(*args, **kwargs)        
-        log.assertion('self.rev != None')
-
+    
     class Meta:
         ordering = ['-time', '-id']
         indexes = [
@@ -1421,4 +1406,4 @@ class BofreqEditorDocEvent(DocEvent):
 
 class BofreqResponsibleDocEvent(DocEvent):
     """ Capture the responsible leadership (IAB and IESG members) for a BOF Request """
-    responsible = models.ManyToManyField('person.Person', blank=True)
\ No newline at end of file
+    responsible = models.ManyToManyField('person.Person', blank=True)
diff --git a/ietf/doc/utils.py b/ietf/doc/utils.py
index be5ba4492..f9ea81387 100644
--- a/ietf/doc/utils.py
+++ b/ietf/doc/utils.py
@@ -35,10 +35,9 @@ from ietf.group.models import Role, Group
 from ietf.ietfauth.utils import has_role, is_authorized_in_doc_stream, is_individual_draft_author, is_bofreq_editor
 from ietf.person.models import Person
 from ietf.review.models import ReviewWish
-from ietf.utils import draft, text
+from ietf.utils import draft, log
 from ietf.utils.mail import send_mail
 from ietf.mailtrigger.utils import gather_address_lists
-from ietf.utils import log
 from ietf.utils.xmldraft import XMLDraft
 
 
@@ -396,23 +395,6 @@ def get_unicode_document_content(key, filename, codec='utf-8', errors='ignore'):
 
     return raw_content
 
-def get_document_content(key, filename, split=True, markup=True):
-    log.unreachable("2017-12-05")
-    try:
-        with io.open(filename, 'rb') as f:
-            raw_content = f.read()
-    except IOError:
-        if settings.DEBUG:
-            error = "Error; cannot read ("+filename+")"
-        else:
-            error = "Error; cannot read ("+key+")"
-        return error
-
-#     if markup:
-#         return markup_txt.markup(raw_content, split)
-#     else:
-#         return raw_content
-    return text.decode(raw_content)
 
 def tags_suffix(tags):
     return ("::" + "::".join(t.name for t in tags)) if tags else ""
diff --git a/ietf/doc/views_ballot.py b/ietf/doc/views_ballot.py
index 700d65c3a..7a4e34571 100644
--- a/ietf/doc/views_ballot.py
+++ b/ietf/doc/views_ballot.py
@@ -37,7 +37,6 @@ from ietf.mailtrigger.forms import CcSelectForm
 from ietf.message.utils import infer_message
 from ietf.name.models import BallotPositionName, DocTypeName
 from ietf.person.models import Person
-from ietf.utils import log
 from ietf.utils.mail import send_mail_text, send_mail_preformatted
 from ietf.utils.decorators import require_api_key
 from ietf.utils.response import permission_denied
@@ -95,17 +94,6 @@ def do_undefer_ballot(request, doc):
 
     email_ballot_undeferred(request, doc, by.plain_name(), telechat_date)
 
-def position_to_ballot_choice(position):
-    log.unreachable('2018-04-25')
-    for v, label in BALLOT_CHOICES:
-        if v and getattr(position, v):
-            return v
-    return ""
-
-def position_label(position_value):
-    log.unreachable('2018-04-25')
-    return dict(BALLOT_CHOICES).get(position_value, "")
-
 # -------------------------------------------------
 class EditPositionForm(forms.Form):
     position = forms.ModelChoiceField(queryset=BallotPositionName.objects.all(), widget=forms.RadioSelect, initial="norecord", required=True)
diff --git a/ietf/doc/views_doc.py b/ietf/doc/views_doc.py
index 1666babf8..e2ec39edc 100644
--- a/ietf/doc/views_doc.py
+++ b/ietf/doc/views_doc.py
@@ -1972,7 +1972,7 @@ def rfcdiff_latest_json(request, name, rev=None):
             if doc.name != doc.canonical_name():
                 prev_rev = doc.rev
                 # not sure what to do if non-numeric values come back, so at least log it
-                log.assertion('doc.rfc_number().isdigit()')
+                log.assertion('doc.rfc_number().isdigit()') # .rfc_number() is expensive...
                 log.assertion('doc.rev.isdigit()')
                 if int(doc.rfc_number()) in HAS_TOMBSTONE and prev_rev != '00':
                     prev_rev = f'{(int(doc.rev)-1):02d}'
diff --git a/ietf/mailinglists/management/commands/import_mailman_listinfo.py b/ietf/mailinglists/management/commands/import_mailman_listinfo.py
index eae11c4da..43982f58b 100644
--- a/ietf/mailinglists/management/commands/import_mailman_listinfo.py
+++ b/ietf/mailinglists/management/commands/import_mailman_listinfo.py
@@ -40,17 +40,13 @@ def import_mailman_listinfo(verbosity=0):
         return
     mailman_export = json.loads(result.stdout)
 
-    log("Starting import of list info from Mailman")
     names = sorted(mailman_export.keys())
-    log_time("Fetched list of mailman list names")
     addr_max_length = Subscribed._meta.get_field('email').max_length
     
     subscribed = { l.name: set(l.subscribed_set.values_list('email', flat=True)) for l in List.objects.all().prefetch_related('subscribed_set') }
-    log_time("Computed dictionary of list members")
 
     for name in names:
         note("List: %s" % mailman_export[name]['internal_name'])
-        log_time("Fetched Mailman list object for %s" % name)
 
         lists = List.objects.filter(name=mailman_export[name]['real_name'])
         if lists.count() > 1:
@@ -68,12 +64,12 @@ def import_mailman_listinfo(verbosity=0):
             dirty = True
         if dirty:
             mmlist.save()
-        log_time("  Updated database List object for %s" % name)
         # The following calls return lowercased addresses
         if mailman_export[name]['advertised']:
             members = set(mailman_export[name]['members'])
             if not mailman_export[name]['real_name'] in subscribed:
-                log("Note: didn't find '%s' in the dictionary of subscriptions" % mailman_export[name]['real_name'])
+                # 2022-7-29: lots of these going into the logs but being ignored...
+                # log("Note: didn't find '%s' in the dictionary of subscriptions" % mailman_export[name]['real_name'])
                 continue
             known = subscribed[mailman_export[name]['real_name']]
             log_time("  Fetched known list members from database")            
@@ -82,14 +78,10 @@ def import_mailman_listinfo(verbosity=0):
             for addr in to_remove:
                     note("  Removing subscription: %s" % (addr))
                     old = Subscribed.objects.get(email=addr)
-                    log_time("    Fetched subscribed object")
                     old.lists.remove(mmlist)
-                    log_time("    Removed %s from %s" % (mmlist, old))
                     if old.lists.count() == 0:
                         note("    Removing address with no subscriptions: %s" % (addr))
                         old.delete()
-                        log_time("      Removed %s" % old)
-            log_time("  Removed addresses no longer subscribed")
             if to_remove:
                 log("  Removed %s addresses from %s" % (len(to_remove), name))
             for addr in to_add:
@@ -103,7 +95,6 @@ def import_mailman_listinfo(verbosity=0):
                     sys.stderr.write("    **  Error handling %s in %s: %s\n" % (addr, name, e))
                     continue
                 new.lists.add(mmlist)
-            log_time("  Added new addresses")
             if to_add:
                 log("  Added %s addresses to %s" % (len(to_add), name))
     log("Completed import of list info from Mailman")    
diff --git a/ietf/meeting/models.py b/ietf/meeting/models.py
index cdb9d5d6b..417a6ac9b 100644
--- a/ietf/meeting/models.py
+++ b/ietf/meeting/models.py
@@ -47,7 +47,6 @@ from ietf.utils.validators import (
     validate_file_extension,
 )
 from ietf.utils.fields import MissingOkImageField
-from ietf.utils.log import unreachable
 
 countries = list(pytz.country_names.items())
 countries.sort(key=lambda x: x[1])
@@ -274,16 +273,13 @@ class Meeting(models.Model):
             else:
                 version = len(settings.PROCEEDINGS_VERSION_CHANGES)  # start assuming latest version
                 mtg_number = self.get_number()
-                if mtg_number is None:
-                    unreachable('2021-08-10')
-                else:
-                    # Find the index of the first entry in the version change array that
-                    # is >= this meeting's number. The first entry in the array is 0, so the
-                    # version is always >= 1 for positive meeting numbers.
-                    for vers, threshold in enumerate(settings.PROCEEDINGS_VERSION_CHANGES):
-                        if mtg_number < threshold:
-                            version = vers
-                            break
+                # Find the index of the first entry in the version change array that
+                # is >= this meeting's number. The first entry in the array is 0, so the
+                # version is always >= 1 for positive meeting numbers.
+                for vers, threshold in enumerate(settings.PROCEEDINGS_VERSION_CHANGES):
+                    if mtg_number < threshold:
+                        version = vers
+                        break
             self._proceedings_format_version = version  # save this for later
         return self._proceedings_format_version
 
diff --git a/ietf/secr/meetings/views.py b/ietf/secr/meetings/views.py
index 6e87b3a17..7d6a227dc 100644
--- a/ietf/secr/meetings/views.py
+++ b/ietf/secr/meetings/views.py
@@ -172,25 +172,6 @@ def send_notifications(meeting, groups, person):
                                   by=person,desc='sent scheduled notification for %s' % meeting)
 
 
-# -------------------------------------------------
-# AJAX Functions
-# -------------------------------------------------
-# def ajax_get_times(request, meeting_id, day):
-#     '''
-#     Ajax function to get timeslot times for a given day.
-#     returns JSON format response: [{id:start_time, value:start_time-end_time},...]
-#     '''
-#     # TODO strip duplicates if there are any
-#     from ietf.utils import log
-#     log.unreachable("2017-07-08")
-#     results=[]
-#     room = Room.objects.filter(meeting__number=meeting_id)[0]
-#     slots = TimeSlot.objects.filter(meeting__number=meeting_id,time__week_day=day,location=room).order_by('time')
-#     for slot in slots:
-#         d = {'id': slot.time.strftime('%H%M'), 'value': '%s-%s' % (slot.time.strftime('%H%M'), slot.end_time().strftime('%H%M'))}
-#         results.append(d)
-# 
-#     return HttpResponse(json.dumps(results), content_type='application/javascript')
 
 # --------------------------------------------------
 # STANDARD VIEW FUNCTIONS
@@ -922,4 +903,4 @@ def view(request, meeting_id):
 
     return render(request, 'meetings/view.html', {
         'meeting': meeting},
-    )
\ No newline at end of file
+    )
diff --git a/ietf/stats/views.py b/ietf/stats/views.py
index 90d953ce5..593fc1947 100644
--- a/ietf/stats/views.py
+++ b/ietf/stats/views.py
@@ -38,7 +38,6 @@ from ietf.meeting.models import Meeting
 from ietf.stats.models import MeetingRegistration, CountryAlias
 from ietf.stats.utils import get_aliased_affiliations, get_aliased_countries, compute_hirsch_index
 from ietf.ietfauth.utils import has_role
-from ietf.utils.log import log
 from ietf.utils.response import permission_denied
 
 def stats_index(request):
@@ -744,7 +743,8 @@ def document_stats(request, stats_type=None):
             "eu_countries": sorted(eu_countries or [], key=lambda c: c.name),
             "content_template": "stats/document_stats_{}.html".format(template_name),
         }
-        log("Cache miss for '%s'.  Data size: %sk" % (cache_key, len(str(data))/1000))
+        # Logs are full of these, but nobody is using them
+        # log("Cache miss for '%s'.  Data size: %sk" % (cache_key, len(str(data))/1000))
         cache.set(cache_key, data, 24*60*60)
     return render(request, "stats/document_stats.html", data)
 
@@ -996,7 +996,8 @@ def meeting_stats(request, num=None, stats_type=None):
             "eu_countries": sorted(eu_countries or [], key=lambda c: c.name),
             "content_template": "stats/meeting_stats_{}.html".format(template_name),
         }
-        log("Cache miss for '%s'.  Data size: %sk" % (cache_key, len(str(data))/1000))
+        # Logs are full of these, but nobody is using them...
+        # log("Cache miss for '%s'.  Data size: %sk" % (cache_key, len(str(data))/1000))
         cache.set(cache_key, data, 24*60*60)
     #
     return render(request, "stats/meeting_stats.html", data)
diff --git a/ietf/submit/utils.py b/ietf/submit/utils.py
index 429fea58e..c48e0eb3a 100644
--- a/ietf/submit/utils.py
+++ b/ietf/submit/utils.py
@@ -288,6 +288,7 @@ def find_submission_filenames(draft):
 
 @transaction.atomic
 def post_submission(request, submission, approved_doc_desc, approved_subm_desc):
+    # This is very chatty into the logs, but these could still be useful for quick diagnostics
     log.log(f"{submission.name}: start")
     system = Person.objects.get(name="(System)")
     submitter_parsed = submission.submitter_parsed()
@@ -589,15 +590,10 @@ def ensure_person_email_info_exists(name, email, docname):
     else:
         person.name_from_draft = name
 
-    # make sure we have an email address
-    if addr and (addr.startswith('unknown-email-') or is_valid_email(addr)):
-        active = True
-        addr = addr.lower()
-    else:
-        log.unreachable('2019-10-02')
-        # we're in trouble, use a fake one
-        active = False
-        addr = "unknown-email-%s" % person.plain_ascii().replace(" ", "-")
+
+    active = True
+    addr = addr.lower()
+
 
     try:
         email = person.email_set.get(address=addr)