diff --git a/plugin/core/views.py b/plugin/core/views.py
index 4a4a7cad1..3f9ef17b7 100644
--- a/plugin/core/views.py
+++ b/plugin/core/views.py
@@ -41,8 +41,6 @@
 from .typing import Callable, Optional, Dict, Any, Iterable, List, Union, Tuple, cast
 from .url import parse_uri
 from .workspace import is_subpath_of
-from abc import ABCMeta
-from abc import abstractmethod
 import html
 import itertools
 import linecache
@@ -281,14 +279,6 @@
 }
 
 
-class RegionProvider(metaclass=ABCMeta):
-
-    @classmethod
-    @abstractmethod
-    def initialize_region_keys(cls) -> None:
-        raise NotImplementedError()
-
-
 class InvalidUriSchemeException(Exception):
     def __init__(self, uri: str) -> None:
         self.uri = uri
diff --git a/plugin/diagnostics.py b/plugin/diagnostics.py
index 24de6f6a9..807fbf063 100644
--- a/plugin/diagnostics.py
+++ b/plugin/diagnostics.py
@@ -5,7 +5,6 @@
 from .core.views import diagnostic_severity
 from .core.views import format_diagnostics_for_annotation
 from .core.views import range_to_region
-from .core.views import RegionProvider
 from itertools import chain
 import html
 import sublime
@@ -313,15 +312,9 @@ def _generate_center(self, overlap: bool, multi: int, diagnostic: Diagnostic) ->
         ]
 
 
-class DiagnosticsView(RegionProvider):
+class DiagnosticsView():
     ANNOTATIONS_REGION_KEY = "lsp_d-annotations"
 
-    @classmethod
-    def initialize_region_keys(cls, view: sublime.View) -> None:
-        r = [sublime.Region(0, 0)]
-        for severity in DIAGNOSTIC_KINDS.keys():
-            view.add_regions(cls._annotation_key(severity), r)
-
     @classmethod
     def _annotation_key(cls, severity: DiagnosticSeverity) -> str:
         return '{}-{}'.format(cls.ANNOTATIONS_REGION_KEY, severity)
diff --git a/plugin/session_view.py b/plugin/session_view.py
index 1331fa52e..9072dc833 100644
--- a/plugin/session_view.py
+++ b/plugin/session_view.py
@@ -160,7 +160,6 @@ def _initialize_region_keys(self) -> None:
                     self.view.add_regions("lsp_highlight_{}{}".format(kind, mode), r)
         if hover_highlight_style in ("underline", "stippled"):
             self.view.add_regions(HOVER_HIGHLIGHT_KEY, r)
-        DiagnosticsView.initialize_region_keys(self.view)
 
     def _clear_auto_complete_triggers(self, settings: sublime.Settings) -> None:
         '''Remove all of our modifications to the view's "auto_complete_triggers"'''