diff --git a/core/admin.py b/core/admin.py
index 1d8201f..43aa744 100644
--- a/core/admin.py
+++ b/core/admin.py
@@ -8,7 +8,6 @@ from troggle.core.models.survex import (
     DrawingFile,
     SingleScan,
     SurvexBlock,
-    SurvexDirectory,
     SurvexFile,
     SurvexPersonRole,
     SurvexStation,
@@ -120,11 +119,11 @@ class SurvexFileAdmin(TroggleModelAdmin):
     search_fields = ("path",)
 
 
-class SurvexDirectoryAdmin(TroggleModelAdmin):
-    search_fields = (
-        "path",
-        "survexdirectory",
-    )
+# class SurvexDirectoryAdmin(TroggleModelAdmin):
+    # search_fields = (
+        # "path",
+        # "survexdirectory",
+    # )
 
 
 class DrawingFileAdmin(TroggleModelAdmin):
@@ -145,7 +144,7 @@ admin.site.register(DrawingFile, DrawingFileAdmin)
 admin.site.register(Expedition)
 admin.site.register(Person, PersonAdmin)
 admin.site.register(SurvexPersonRole)
-admin.site.register(SurvexDirectory, SurvexDirectoryAdmin)
+#admin.site.register(SurvexDirectory, SurvexDirectoryAdmin)
 admin.site.register(SurvexFile, SurvexFileAdmin)
 admin.site.register(SurvexStation, SurvexStationAdmin)
 admin.site.register(PersonExpedition, PersonExpeditionAdmin)
diff --git a/core/models/survex.py b/core/models/survex.py
index 2ca7412..84255d7 100644
--- a/core/models/survex.py
+++ b/core/models/survex.py
@@ -11,33 +11,33 @@ from django.urls import reverse
 # from troggle.core.models.troggle import DataIssue # circular import. Hmm
 
 
-class SurvexDirectory(models.Model):
-    """This relates a survexfile (identified by path) to the primary SurvexFile 
-    which is the 'head' of the survex tree for that cave. 
-    Surely this could just be a property of Cave ? No. Several subdirectories
-    all relate to the same Cave.
+# class SurvexDirectory(models.Model):
+    # """This relates a survexfile (identified by path) to the primary SurvexFile 
+    # which is the 'head' of the survex tree for that cave. 
+    # Surely this could just be a property of Cave ? No. Several subdirectories
+    # all relate to the same Cave.
     
-    But it *could* be a property of SurvexFile
-    """
-    path = models.CharField(max_length=200) 
-    primarysurvexfile = models.ForeignKey(
-        "SurvexFile", related_name="primarysurvexfile", blank=True, null=True, on_delete=models.SET_NULL
-    )
+    # But it *could* be a property of SurvexFile
+    # """
+    # path = models.CharField(max_length=200) 
+    # primarysurvexfile = models.ForeignKey(
+        # "SurvexFile", related_name="primarysurvexfile", blank=True, null=True, on_delete=models.SET_NULL
+    # )
 
-    class Meta:
-        ordering = ("id",)
-        verbose_name_plural = "Survex directories"
+    # class Meta:
+        # ordering = ("id",)
+        # verbose_name_plural = "Survex directories"
 
-    def contents(self):
-        return "[SvxDir:" + str(self.path) + " |  Primary svx:" + str(self.primarysurvexfile.path) + ".svx ]"
+    # def contents(self):
+        # return "[SvxDir:" + str(self.path) + " |  Primary svx:" + str(self.primarysurvexfile.path) + ".svx ]"
 
-    def __str__(self):
-        return "[SvxDir:" + str(self.path)+ "]"
+    # def __str__(self):
+        # return "[SvxDir:" + str(self.path)+ "]"
 
 
 class SurvexFile(models.Model):
     path = models.CharField(max_length=200)
-    survexdirectory = models.ForeignKey("SurvexDirectory", blank=True, null=True, on_delete=models.SET_NULL)
+    #survexdirectory = models.ForeignKey("SurvexDirectory", blank=True, null=True, on_delete=models.SET_NULL)
     primary = models.ForeignKey(
         "SurvexFile", related_name="primarysurvex", blank=True, null=True, on_delete=models.SET_NULL
         )
@@ -56,18 +56,18 @@ class SurvexFile(models.Model):
         fname = Path(settings.SURVEX_DATA, self.path + ".svx")
         return fname.is_file()
 
-    def SetDirectory(self):
-        dirpath = os.path.split(self.path)[0]
-        # pointless search every time we import a survex file if we know there are no duplicates..
-        # don't use this for initial import.
-        survexdirectorylist = SurvexDirectory.objects.filter(cave=self.cave, path=dirpath)
-        if survexdirectorylist:
-            self.survexdirectory = survexdirectorylist[0]
-        else:
-            survexdirectory = SurvexDirectory(path=dirpath, cave=self.cave, primarysurvexfile=self)
-            survexdirectory.save()
-            self.survexdirectory = survexdirectory
-        self.save()
+    # def SetDirectory(self):
+        # dirpath = os.path.split(self.path)[0]
+        # # pointless search every time we import a survex file if we know there are no duplicates..
+        # # don't use this for initial import.
+        # survexdirectorylist = SurvexDirectory.objects.filter(cave=self.cave, path=dirpath)
+        # if survexdirectorylist:
+            # self.survexdirectory = survexdirectorylist[0]
+        # else:
+            # survexdirectory = SurvexDirectory(path=dirpath, cave=self.cave, primarysurvexfile=self)
+            # survexdirectory.save()
+            # self.survexdirectory = survexdirectory
+        # self.save()
 
     # Don't change from the default as that breaks troggle webpages and internal referencing!
     # def __str__(self):
diff --git a/core/views/survex.py b/core/views/survex.py
index d916e56..7267414 100644
--- a/core/views/survex.py
+++ b/core/views/survex.py
@@ -18,7 +18,7 @@ from django.views.decorators.csrf import ensure_csrf_cookie
 import troggle.settings as settings
 from troggle.core.models.logbooks import LogbookEntry
 from troggle.core.models.caves import Cave, GetCaveLookup
-from troggle.core.models.survex import SurvexFile, SurvexBlock, SurvexDirectory
+from troggle.core.models.survex import SurvexFile, SurvexBlock #, SurvexDirectory
 from troggle.core.models.wallets import Wallet
 from troggle.core.utils import only_commit
 from troggle.parsers.survex import parse_one_file
@@ -654,27 +654,19 @@ def survexdir(request):
     as the info it holds is always embedded in the survexFile path directories
     """
     
-    sds = SurvexDirectory.objects.all() #.order_by("cave")
-    for sd in sds:
-        sd.matchbad = True
-        if f"{sd.primarysurvexfile}".startswith(str(sd.path)):
-            sd.matchbad = False
+    # sds = SurvexDirectory.objects.all() #.order_by("cave")
+    sds ={}
+    # for sd in sds:
+        # sd.matchbad = True
+        # if f"{sd.primarysurvexfile}".startswith(str(sd.path)):
+            # sd.matchbad = False
            
-        sd.pathbad = True
-        if Path(settings.SURVEX_DATA, f"{sd.primarysurvexfile}.svx").is_file():
-            sd.pathbad = False
+        # sd.pathbad = True
+        # if Path(settings.SURVEX_DATA, f"{sd.primarysurvexfile}.svx").is_file():
+            # sd.pathbad = False
             
     survexfiles = SurvexFile.objects.all().order_by("cave")
     for f in survexfiles:
-        if f.survexdirectory:
-            f.matchbad = True
-            if f"{f.path}".startswith(str(f.survexdirectory.path)):
-                f.matchbad = False
-            f.primarybad = True
-            if f.primary:
-                f.pathparent = Path(f.primary.path).parent
-                if str(f.survexdirectory.path) == str(f.pathparent):
-                    f.primarybad = False
         f.pathbad = True
         if Path(settings.SURVEX_DATA, f"{f.path}.svx").is_file():
             f.pathbad = False
diff --git a/core/views/wallets_edit.py b/core/views/wallets_edit.py
index 580c6c1..9f9d02d 100644
--- a/core/views/wallets_edit.py
+++ b/core/views/wallets_edit.py
@@ -163,7 +163,7 @@ def get_complaints(complaints, waldata, svxfiles, files, wallet, wurl):
                         # can happen if connecting a wallet to a survex file.. i think..
                         QSsvxfiles = SurvexFile.objects.filter(path=sxpath)
                         for s in QSsvxfiles:
-                            print(s.path, s.cave, s.survexdirectory)
+                            print(s.path, s.cave, s.primary)
                         # QSsvxfiles[0]  # dont' know how this happened, fix later..
                     except:
                         file_complaint = (
diff --git a/parsers/locations.py b/parsers/locations.py
index 8299a28..e2190c8 100644
--- a/parsers/locations.py
+++ b/parsers/locations.py
@@ -11,7 +11,7 @@ from pathlib import Path
 import troggle.settings as settings
 from troggle.core.models.caves import Cave, Entrance
 from troggle.core.models.logbooks import QM
-from troggle.core.models.survex import SurvexBlock, SurvexDirectory, SurvexFile, SurvexPersonRole, SurvexStation
+from troggle.core.models.survex import SurvexBlock, SurvexFile, SurvexPersonRole, SurvexStation
 from troggle.core.models.wallets import Wallet
 from troggle.core.models.troggle import DataIssue, Expedition
 from troggle.core.utils import chaosmonkey, get_process_memory
diff --git a/parsers/survex.py b/parsers/survex.py
index e802a79..2339fbc 100644
--- a/parsers/survex.py
+++ b/parsers/survex.py
@@ -10,7 +10,7 @@ from pathlib import Path
 import troggle.settings as settings
 from troggle.core.models.caves import Cave, Entrance, GetCaveLookup
 from troggle.core.models.logbooks import QM
-from troggle.core.models.survex import SurvexBlock, SurvexDirectory, SurvexFile, SurvexPersonRole, SurvexStation
+from troggle.core.models.survex import SurvexBlock, SurvexFile, SurvexPersonRole, SurvexStation
 from troggle.core.models.wallets import Wallet
 from troggle.core.models.troggle import DataIssue, Expedition
 from troggle.core.utils import chaosmonkey, get_process_memory
@@ -2137,7 +2137,8 @@ def FindAndLoadSurvex(survexblockroot):
     svx_scan = LoadingSurvex()
     svx_scan.callcount = 0
     svx_scan.depthinclude = 0
-    fullpathtotop = os.path.join(survexfileroot.survexdirectory.path, survexfileroot.path)
+    #fullpathtotop = os.path.join(survexfileroot.survexdirectory.path, survexfileroot.path)
+    fullpathtotop = str(Path(survexfileroot.path).parent / survexfileroot.path)
 
     print(f"  - RunSurvexIfNeeded cavern on '{fullpathtotop}'", file=sys.stderr)
     svx_scan.RunSurvexIfNeeded(fullpathtotop, fullpathtotop)
@@ -2254,7 +2255,7 @@ def FindAndLoadSurvex(survexblockroot):
     omit_scan = LoadingSurvex()
     omit_scan.callcount = 0
     omit_scan.depthinclude = 0
-    fullpathtotop = os.path.join(survexfileroot.survexdirectory.path, UNSEENS)
+    fullpathtotop = str(Path(settings.SURVEX_DATA, UNSEENS))
 
     # copy the list to prime the next pass through the files
     omit_scan.svxfileslist = svx_scan.svxfileslist[:]
@@ -2363,7 +2364,7 @@ def display_contents(blocks):
         for sf in sfs:
             print(f" SF {sf}")
             # print(f"   SD {sf.survexdirectory} {sf.survexdirectory.cave}")
-            print(f"   SD {sf.survexdirectory} {sf.survexdirectory.path}")
+            #print(f"   SD {sf.survexdirectory} {sf.survexdirectory.path}")
             
         ws = Wallet.objects.filter(survexblock=b)
         for w in ws:
@@ -2511,12 +2512,12 @@ def MakeSurvexFileRoot():
 
     fileroot = SurvexFile(path=settings.SURVEX_TOPNAME, cave=None)
     fileroot.save()
-    directoryroot = SurvexDirectory(path=settings.SURVEX_DATA, primarysurvexfile=fileroot)
+    #directoryroot = SurvexDirectory(path=settings.SURVEX_DATA, primarysurvexfile=fileroot)
     # MariaDB doesn't like this hack. Complains about non-null cave_id EVEN THOUGH our model file says this is OK:
     # cave = models.ForeignKey('Cave', blank=True, null=True,on_delete=models.SET_NULL)
-    directoryroot.save()
-    fileroot.survexdirectory = directoryroot  # i.e. SURVEX_DATA/SURVEX_TOPNAME
-    fileroot.save()  # mutually dependent objects need a double-save like this
+    #directoryroot.save()
+    #fileroot.survexdirectory = directoryroot  # i.e. SURVEX_DATA/SURVEX_TOPNAME
+    #fileroot.save()  # mutually dependent objects need a double-save like this
     return fileroot
 
 
@@ -2532,10 +2533,10 @@ def MakeFileRoot(fn):
     print(f"  - Making/finding a new root survexfile for this import: {fn}")
 
     fileroot = SurvexFile(path=fn, cave=cave)
-    try:
-        fileroot.survexdirectory = SurvexDirectory.objects.get(id=1) # default
-    except:
-        fileroot.survexdirectory = None
+    # try:
+        # fileroot.survexdirectory = SurvexDirectory.objects.get(id=1) # default
+    # except:
+        # fileroot.survexdirectory = None
    
     
     # if cave:
@@ -2566,7 +2567,6 @@ def LoadSurvexBlocks():
     # https://docs.djangoproject.com/en/dev/ref/models/fields/#django.db.models.ForeignKey.on_delete
     SurvexBlock.objects.all().delete()
     SurvexFile.objects.all().delete()
-    SurvexDirectory.objects.all().delete()
     SurvexPersonRole.objects.all().delete()
     SurvexStation.objects.all().delete()
     mem1 = get_process_memory()
diff --git a/templates/svxfile.html b/templates/svxfile.html
index 7d6dc14..8121c45 100644
--- a/templates/svxfile.html
+++ b/templates/svxfile.html
@@ -81,8 +81,8 @@ LOGMESSAGES
 {% endif %}
 </div>
 underground survey length: {{svxlength|floatformat:2}} metres<br />
-parent survex file <a href="/survexfile/{{ survexfile.cave.survex_file }}">{{survexfile.cave.survex_file}}</a> for this cave <br>
-survex directory <a href="/survexfile/{{survexfile.primary}}.svx">{{survexfile.primary}}</a> <br />
+cave primary survexfile <a href="/survexfile/{{ survexfile.cave.survex_file }}">{{survexfile.cave.survex_file}}</a> <br>
+directory primary survexfile <a href="/survexfile/{{survexfile.primary}}.svx">{{survexfile.primary}}</a> <br />
 {% for sb in svxblocks %}
 block <em>{{sb}}</em> has parent block <em>{{sb.parent}}</em><br />
 {% empty %}