diff --git a/doc/api.rst b/doc/api.rst
index 45408d38..5112b56d 100644
--- a/doc/api.rst
+++ b/doc/api.rst
@@ -176,15 +176,6 @@ argument type doesn't match its format specification.
 
 .. doxygenfunction:: sprintf(string_view, const Args&...)
 
-.. doxygenclass:: fmt::PrintfFormatter
-   :members:
-
-.. doxygenclass:: fmt::BasicPrintfArgFormatter
-   :members:
-
-.. doxygenclass:: fmt::PrintfArgFormatter
-   :members:
-
 Write API
 =========