diff --git a/include/drivers/ufs.h b/include/drivers/ufs.h
index a10cd8034122ad82be6fd3f901d90ec6de915927..574c4ea0a5b1680452344f3c2ccbd8e686a3f8a9 100644
--- a/include/drivers/ufs.h
+++ b/include/drivers/ufs.h
@@ -82,7 +82,7 @@
 #define UECDME				0x48
 /* UTP Transfer Request Interrupt Aggregation Control Register */
 #define UTRIACR				0x4C
-#define UTRIACR_IAEN			(1 << 31)
+#define UTRIACR_IAEN			(1U << 31)
 #define UTRIACR_IAPWEN			(1 << 24)
 #define UTRIACR_IASB			(1 << 20)
 #define UTRIACR_CTR			(1 << 16)
diff --git a/lib/xlat_tables/aarch32/nonlpae_tables.c b/lib/xlat_tables/aarch32/nonlpae_tables.c
index eca3be3fc7a496220764af3baecc79cbd0f87444..e31f9d8404cf11b5c9ee4e0b468e496c0bf94a50 100644
--- a/lib/xlat_tables/aarch32/nonlpae_tables.c
+++ b/lib/xlat_tables/aarch32/nonlpae_tables.c
@@ -122,8 +122,8 @@ CASSERT(PLAT_PHY_ADDR_SPACE_SIZE == (1ULL << 32), invalid_paddr_space_size);
 #define DACR_DOMAIN_PERM_CLIENT		0x1
 #define DACR_DOMAIN_PERM_MANAGER	0x3
 
-#define NUM_1MB_IN_4GB		(1 << 12)
-#define NUM_4K_IN_1MB		(1 << 8)
+#define NUM_1MB_IN_4GB		(1U << 12)
+#define NUM_4K_IN_1MB		(1U << 8)
 
 #define ONE_MB_SHIFT		20