diff --git a/api/src/org/labkey/api/dataiterator/SimpleTranslator.java b/api/src/org/labkey/api/dataiterator/SimpleTranslator.java
index b17fc536299..3d3fe1528bf 100644
--- a/api/src/org/labkey/api/dataiterator/SimpleTranslator.java
+++ b/api/src/org/labkey/api/dataiterator/SimpleTranslator.java
@@ -220,6 +220,7 @@ public RemapConverter(@NotNull TableInfo targetTable, boolean includeTitleColumn
         public void setIncludePkLookup(boolean includePkLookup)
         {
             _includePkLookup = includePkLookup;
+            _maps = null;
         }
 
         public ColumnInfo getPkColumn()
@@ -227,17 +228,6 @@ public ColumnInfo getPkColumn()
             return _targetTable.getPkColumns().getFirst();
         }
 
-        private Pair<ColumnInfo, Map<?, ?>> pkLookupMap()
-        {
-            if (!_includePkLookup)
-                return null;
-
-            if (_pkColumnLookupMap == null)
-                _pkColumnLookupMap = Pair.of(getPkColumn(), new HashMap<>());
-
-            return _pkColumnLookupMap;
-        }
-
         private List<Triple<ColumnInfo, ColumnInfo, MultiValuedMap<?, ?>>> getMaps()
         {
             if (_maps == null)
@@ -281,6 +271,11 @@ public ColumnInfo getPkColumn()
                         _titleColumnLookupMap = Triple.of(pkCol, titleColumn, new ArrayListValuedHashMap());
                     }
                 }
+
+                if (_includePkLookup)
+                {
+                    _pkColumnLookupMap = Pair.of(pkCol, new HashMap<>());
+                }
             }
             return _maps;
         }
@@ -296,10 +291,9 @@ public Object mappedValue(Object k)
 
             List<Triple<ColumnInfo, ColumnInfo, MultiValuedMap<?,?>>> maps = getMaps();
 
-            Pair<ColumnInfo, Map<?, ?>> pkLookupMap = pkLookupMap();
-            if (pkLookupMap != null)
+            if (_pkColumnLookupMap != null)
             {
-                Object v = fetch(pkLookupMap, k);
+                Object v = fetch(_pkColumnLookupMap, k);
                 if (v != null)
                     return v;
             }
@@ -2239,97 +2233,6 @@ public void convertRemapTest() throws Exception
 
         }
 
-        /** Lookup fixture with one text alternate key (Value) over an integer pk (RowId); Ordinal is unique but not text, so it yields no map. */
-        private EnumTableInfo<LookupValues> remapLookupTable()
-        {
-            var core = QueryService.get().getUserSchema(TestContext.get().getUser(), JunitUtil.getTestContainer(), "core");
-            return new EnumTableInfo<>(LookupValues.class, core, "fake enum", true);
-        }
-
-        @Test
-        public void remapCacheSurvivesPkLookupToggle()
-        {
-            RemapConverter converter = new RemapConverter(remapLookupTable(), true, false, true);
-
-            // RemappingConvertColumn flips this before every row, so it must not discard what earlier rows resolved
-            converter.setIncludePkLookup(false);
-
-            List<Triple<ColumnInfo, ColumnInfo, MultiValuedMap<?, ?>>> maps = converter.getMaps();
-            assertEquals("expected one alternate-key map, on the Value column", 1, maps.size());
-
-            // Seed keys no enum value can supply, so anything but a cache hit resolves to null
-            MultiValuedMap cache = maps.getFirst().getRight();
-            Integer seeded = 42;
-            cache.put("seeded-hit", seeded);
-            cache.put("seeded-miss", converter.MISS);
-
-            assertEquals(seeded, converter.mappedValue("seeded-hit"));
-            assertNull(converter.mappedValue("seeded-miss"));
-
-            for (int i = 0; i < 3; i++)
-            {
-                converter.setIncludePkLookup(true);
-                converter.setIncludePkLookup(false);
-            }
-
-            assertSame("toggling includePkLookup discarded the cached lookups", maps, converter.getMaps());
-            assertEquals("resolved value was discarded, so every row re-queries it", seeded, converter.mappedValue("seeded-hit"));
-            assertNull("MISS marker was discarded, so every row re-queries the absent value", converter.mappedValue("seeded-miss"));
-        }
-
-        @Test
-        public void remapResolutionIsStableAcrossPkLookupToggle()
-        {
-            RemapConverter converter = new RemapConverter(remapLookupTable(), true, false, true);
-            converter.setIncludePkLookup(false);
-
-            Object resolved = converter.mappedValue(LookupValues.Two.name());
-            assertNotNull("expected " + LookupValues.Two + " to resolve by alternate key", resolved);
-
-            converter.setIncludePkLookup(true);
-            converter.setIncludePkLookup(false);
-
-            assertEquals(resolved, converter.mappedValue(LookupValues.Two.name()));
-        }
-
-        @Test
-        public void remapAlternateKeyWinsWhenPkLookupIsOff()
-        {
-            RemapConverter converter = new RemapConverter(remapLookupTable(), true, false, true);
-
-            // Seed the two maps to disagree on one key, so the resolved value says which map was consulted
-            Integer key = 7;
-            Integer pkResolution = 7;
-            Integer akResolution = 99;
-            Map pkCache = converter.pkLookupMap().getValue();
-            MultiValuedMap akCache = converter.getMaps().getFirst().getRight();
-            pkCache.put(key, pkResolution);
-            akCache.put(key, akResolution);
-
-            assertEquals("pk lookup should take precedence while includePkLookup is on", pkResolution, converter.mappedValue(key));
-
-            // The pk map survives the toggle, so this also pins that it is not consulted while the flag is off
-            converter.setIncludePkLookup(false);
-            assertEquals("alternate key should resolve while includePkLookup is off", akResolution, converter.mappedValue(key));
-        }
-
-        @Test
-        public void remapPkLookupMapIsRetained()
-        {
-            RemapConverter converter = new RemapConverter(remapLookupTable(), true, false, false);
-            assertNull("pk lookup map should not exist while includePkLookup is off", converter.pkLookupMap());
-
-            converter.setIncludePkLookup(true);
-            Pair<ColumnInfo, Map<?, ?>> pkMap = converter.pkLookupMap();
-            assertNotNull(pkMap);
-
-            converter.setIncludePkLookup(false);
-            assertNull(converter.pkLookupMap());
-
-            converter.setIncludePkLookup(true);
-            assertSame("pk lookup map was rebuilt rather than retained", pkMap, converter.pkLookupMap());
-        }
-
         @Test
         public void getFileRootSubstitutedFilePathTest()
         {