diff --git a/mypy.ini b/mypy.ini
index 56470f7937..780ba3454f 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -307,21 +307,6 @@ strict_optional = False
 
 # One change required?
 
-[mypy-zerver.lib.notifications]  # line 122: Using group from regex, which might return None
-strict_optional = True
-[mypy-zerver.lib.avatar]  # str vs Optional[str]
-strict_optional = True
-[mypy-zerver.lib.soft_deactivation]
-strict_optional = True
-[mypy-zerver.lib.events]  # signup_notifications_stream is Optional, but accessing id property
-strict_optional = True
-[mypy-zerver.lib.exceptions]  #21: error: Return type of "__reduce_ex__" incompatible with supertype "object"
-strict_optional = True
-[mypy-zerver.lib.bugdown.api_arguments_table_generator]  #18: error: Item "None" of "Optional[Dict[str, Any]]" has no attribute "items"
-strict_optional = True
-[mypy-zerver.lib.message]  #868: error: Unsupported operand types for - ("Optional[int]" and "int")
-strict_optional = True
-
 [mypy-zerver.migrations.0077_add_file_name_field_to_realm_emoji]  #73: error: Argument 2 to "upload_files" of "Uploader" has incompatible type "Optional[bytes]"; expected "bytes"
 strict_optional = False