diff --git a/tap_google_ads/discover.py b/tap_google_ads/discover.py
index 13c8861..7e755be 100644
--- a/tap_google_ads/discover.py
+++ b/tap_google_ads/discover.py
@@ -9,7 +9,7 @@
 
 LOGGER = singer.get_logger()
 
-REPORTS = [
+STREAMS = [
     "accessible_bidding_strategy",
     "ad_group",
     "ad_group_ad",
@@ -176,12 +176,12 @@ def create_resource_schema(config):
         updated_segments = get_segments(resource_schema, resource)
         resource["segments"] = updated_segments
 
-    for report in REPORTS:
-        report_object = resource_schema[report]
+    for stream in STREAMS:
+        stream_object = resource_schema[stream]
         fields = {}
-        attributes = report_object["attributes"]
-        metrics = report_object["metrics"]
-        segments = report_object["segments"]
+        attributes = stream_object["attributes"]
+        metrics = stream_object["metrics"]
+        segments = stream_object["segments"]
         for field in attributes + metrics + segments:
             field_schema = dict(resource_schema[field])
 
@@ -224,7 +224,7 @@ def create_resource_schema(config):
                     ):
                         field["incompatible_fields"].append(compared_field)
 
-        report_object["fields"] = fields
+        stream_object["fields"] = fields
     return resource_schema
 
 
diff --git a/tap_google_ads/streams.py b/tap_google_ads/streams.py
index 587958f..1e4047d 100644
--- a/tap_google_ads/streams.py
+++ b/tap_google_ads/streams.py
@@ -205,14 +205,8 @@ def extract_field_information(self, resource_schema):
 
                     self.behavior[field_name] = field["field_details"]["category"]
 
-            self.add_extra_fields(resource_schema)
         self.field_exclusions = {k: list(v) for k, v in self.field_exclusions.items()}
 
-    def add_extra_fields(self, resource_schema):
-        """This function should add fields to `field_exclusions`, `schema`, and
-        `behavior` that are not covered by Google's resource_schema
-        """
-
 
     def create_full_schema(self, resource_schema):
         google_ads_name = self.google_ads_resource_names[0]