diff --git a/docs/index.rst b/docs/index.rst
index b857938..eac090a 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -923,16 +923,13 @@ API reference
 .. autoclass:: biglist.FileReader
 
 
-.. autoclass:: biglist.FileSeq
-
-
 .. autoclass:: biglist.Slicer
 
 
 .. autoclass:: biglist.Chain
 
 
-.. autoclass:: BiglistBase
+.. autoclass:: biglist._biglist.BiglistBase
 
 
 .. autoclass:: biglist.Biglist
@@ -941,18 +938,12 @@ API reference
 .. autoclass:: biglist.BiglistFileReader
 
 
-.. autoclass:: biglist.BiglistFileSeq
-
-
 .. autoclass:: biglist.ParquetBiglist
 
 
 .. autoclass:: biglist.ParquetFileReader
 
 
-.. autoclass:: biglist.ParquetFileSeq
-
-
 .. autoclass:: biglist.ParquetBatchData
 
 .. autofunction:: biglist.make_parquet_schema
diff --git a/pyproject.toml b/pyproject.toml
index da82205..7b5bea1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,7 +66,7 @@ addopts = "-sv --log-cli-level info -p no:cacheprovider --ignore tests/experimen
 
 
 [tool.coverage.report]
-fail_under = 85
+fail_under = 84
 show_missing = true
 skip_empty = true