diff --git a/subgrounds/errors.py b/subgrounds/errors.py
index 26a6dfc..2e01cb8 100644
--- a/subgrounds/errors.py
+++ b/subgrounds/errors.py
@@ -6,10 +6,6 @@ class SchemaError(SubgroundsError):
     """Errors related to schema"""
 
 
-class QueryError(SubgroundsError):
-    """Errors related to queries"""
-
-
 class TransformError(SubgroundsError):
     """Errors related to transforms"""
 
diff --git a/subgrounds/query.py b/subgrounds/query.py
index f0ee004..3e36cd2 100644
--- a/subgrounds/query.py
+++ b/subgrounds/query.py
@@ -30,7 +30,7 @@
 
 from pipe import map, take, traverse, where
 
-from .errors import QueryError
+from .errors import SubgroundsError
 from .schema import SchemaMeta, TypeMeta, TypeRef
 from .utils import (
     extract_data,
@@ -550,7 +550,7 @@ def map(
                 return map_f(new_selection)
 
             case _:
-                raise QueryError(f"map: invalid priority {priority}")
+                raise SubgroundsError(f"map: invalid priority {priority}")
 
     def map_args(
         self,
@@ -871,7 +871,7 @@ def vardef_of_arg(arg):
 
     def combine(self: Selection, other: Selection) -> Selection:
         if self.key != other.key:
-            raise QueryError(f"Selection.combine: {self.key} != {other.key}")
+            raise SubgroundsError(f"Selection.combine: {self.key} != {other.key}")
 
         return Selection(
             fmeta=self.fmeta,
diff --git a/subgrounds/schema.py b/subgrounds/schema.py
index ccb9a43..8aa7a7f 100644
--- a/subgrounds/schema.py
+++ b/subgrounds/schema.py
@@ -410,4 +410,3 @@ def type_of(
         """Returns the argument or field definition's underlying type"""
 
         return self.type_of_typeref(tmeta.type_)
-        return self.type_of_typeref(tmeta.type_)