diff --git a/pandas/core/arrays/string_.py b/pandas/core/arrays/string_.py
index 291cc2e62be62..e52dd1659793e 100644
--- a/pandas/core/arrays/string_.py
+++ b/pandas/core/arrays/string_.py
@@ -188,9 +188,7 @@ def construct_from_string(cls, string) -> Self:
     # https://github.com/pandas-dev/pandas/issues/36126
     # error: Signature of "construct_array_type" incompatible with supertype
     # "ExtensionDtype"
-    def construct_array_type(  # type: ignore[override]
-        self,
-    ) -> type_t[BaseStringArray]:
+    def construct_array_type(self) -> type_t[BaseStringArray]:
         """
         Return the array type associated with this dtype.
 
diff --git a/pandas/core/dtypes/base.py b/pandas/core/dtypes/base.py
index d8a42d83b6c54..df74b5b31e0af 100644
--- a/pandas/core/dtypes/base.py
+++ b/pandas/core/dtypes/base.py
@@ -206,8 +206,7 @@ def names(self) -> list[str] | None:
         """
         return None
 
-    @classmethod
-    def construct_array_type(cls) -> type_t[ExtensionArray]:
+    def construct_array_type(self) -> type_t[ExtensionArray]:
         """
         Return the array type associated with this dtype.
 
@@ -215,7 +214,7 @@ def construct_array_type(cls) -> type_t[ExtensionArray]:
         -------
         type
         """
-        raise AbstractMethodError(cls)
+        raise AbstractMethodError(self)
 
     def empty(self, shape: Shape) -> ExtensionArray:
         """