diff --git a/src/libpmem/pmem.c b/src/libpmem/pmem.c
index e53aad79eed..b281af3f9aa 100644
--- a/src/libpmem/pmem.c
+++ b/src/libpmem/pmem.c
@@ -573,10 +573,18 @@ pmem_memmove(void *pmemdest, const void *src, size_t len, unsigned flags)
 	LOG(15, "pmemdest %p src %p len %zu flags 0x%x",
 			pmemdest, src, len, flags);
 
+/*
+ * XXX
+ * Disable this warning until #5979 is fixed
+ * https://github.com/pmem/pmdk/issues/5979
+ */
+#if 0
 #ifdef DEBUG
 	if (flags & ~PMEM_F_MEM_VALID_FLAGS)
 		ERR("invalid flags 0x%x", flags);
 #endif
+#endif
+
 	PMEM_API_START();
 	Funcs.memmove_nodrain(pmemdest, src, len, flags & ~PMEM_F_MEM_NODRAIN,
 			Funcs.flush, &Funcs.memmove_funcs);
@@ -597,10 +605,17 @@ pmem_memcpy(void *pmemdest, const void *src, size_t len, unsigned flags)
 	LOG(15, "pmemdest %p src %p len %zu flags 0x%x",
 			pmemdest, src, len, flags);
 
+/*
+ * Disable this warning until #5979 is fixed
+ * https://github.com/pmem/pmdk/issues/5979
+ */
+#if 0
 #ifdef DEBUG
 	if (flags & ~PMEM_F_MEM_VALID_FLAGS)
 		ERR("invalid flags 0x%x", flags);
 #endif
+#endif
+
 	PMEM_API_START();
 	Funcs.memmove_nodrain(pmemdest, src, len, flags & ~PMEM_F_MEM_NODRAIN,
 			Funcs.flush, &Funcs.memmove_funcs);
@@ -621,9 +636,16 @@ pmem_memset(void *pmemdest, int c, size_t len, unsigned flags)
 	LOG(15, "pmemdest %p c 0x%x len %zu flags 0x%x",
 			pmemdest, c, len, flags);
 
+/*
+ * XXX
+ * Disable this warning until #5979 is fixed
+ * https://github.com/pmem/pmdk/issues/5979
+ */
+#if 0
 #ifdef DEBUG
 	if (flags & ~PMEM_F_MEM_VALID_FLAGS)
 		ERR("invalid flags 0x%x", flags);
+#endif
 #endif
 
 	PMEM_API_START();