diff --git a/Misc/NEWS b/Misc/NEWS
index 33c45ca..ade26da 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,8 @@
 Core and builtins
 -----------------
 
+- Bug #1722484: remove docstrings again when running with -OO.
+
 - Add new attribute names for function objects.  All the func_* become
   __*__ attributes.  (Some already existed, e.g., __doc__ and __name__.)
 
diff --git a/Python/compile.c b/Python/compile.c
index f051d13..01dbb1a 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -1119,7 +1119,8 @@
 	if (!asdl_seq_LEN(stmts))
 		return 1;
 	st = (stmt_ty)asdl_seq_GET(stmts, 0);
-	if (compiler_isdocstring(st)) {
+	if (compiler_isdocstring(st) && Py_OptimizeFlag < 2) {
+		/* don't generate docstrings if -OO */
 		i = 1;
 		VISIT(c, expr, st->v.Expr.value);
 		if (!compiler_nameop(c, __doc__, Store))