Index: libcfa/src/concurrency/io/setup.cfa
===================================================================
--- libcfa/src/concurrency/io/setup.cfa	(revision d48b17474dc22c209d22ea459b81b7e9c2efe260)
+++ libcfa/src/concurrency/io/setup.cfa	(revision 35285fd907200376c75c25d673a4ef2429777992)
@@ -382,7 +382,4 @@
 			abort("KERNEL ERROR: IO_URING MMAP3 - %s\n", strerror(errno));
 		}
-		memset(sq.sqes, 0xde, size);
-
-		verify( 0 != (params.features & IORING_FEAT_NODROP) );
 
 		// Step 3 : Initialize the data structure
Index: libcfa/src/concurrency/io/types.hfa
===================================================================
--- libcfa/src/concurrency/io/types.hfa	(revision d48b17474dc22c209d22ea459b81b7e9c2efe260)
+++ libcfa/src/concurrency/io/types.hfa	(revision 35285fd907200376c75c25d673a4ef2429777992)
@@ -134,4 +134,5 @@
 	void __ioctx_register($io_ctx_thread & ctx);
 	void __ioctx_prepare_block($io_ctx_thread & ctx);
+	void __sqe_clean( volatile struct io_uring_sqe * sqe );
 #endif