diff --git a/src/_cffi_src/openssl/err.py b/src/_cffi_src/openssl/err.py
index 8cfeaf5ba38af..8d838d4fcac94 100644
--- a/src/_cffi_src/openssl/err.py
+++ b/src/_cffi_src/openssl/err.py
@@ -40,7 +40,6 @@
 void ERR_put_error(int, int, int, const char *, int);
 
 int ERR_GET_LIB(unsigned long);
-int ERR_GET_FUNC(unsigned long);
 int ERR_GET_REASON(unsigned long);
 
 """