diff --git a/README.md b/README.md
index 80a2412325a75c69cccc2addcff73f82ddf56263..e61964ca3e9a65e93fce5f450d7655a982ae196a 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,8 @@ Inspired by [this StackOverflow discussion](https://stackoverflow.com/questions/
 Tested and works on CPython 3.5-3.9, 
 both Windows and [Linux](https://travis-ci.org/github/smok-serwis/snakehouse).
 
-Contrary to what's said on PyPI it also works on PyPy!
+It doesn't work on PyPy due to lack of
+`PyModule_FromDefAndSpec` symbol.
 
 READ BEFORE YOU USE
 ===================
diff --git a/setup.cfg b/setup.cfg
index aba4deead18031aaffcd07f602b662cd8f994cd6..e0e0434dd93a5cabec419770b8d85c5fff062b4b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -21,7 +21,6 @@ classifier =
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: Implementation :: CPython
-    Programming Language :: Python :: Implementation :: PyPy
     Operating System :: OS Independent
     Development Status :: 5 - Production/Stable
     License :: OSI Approved :: MIT License