diff --git a/Source/UnitTests/Common/BitUtilsTest.cpp b/Source/UnitTests/Common/BitUtilsTest.cpp
index e847e908bd..dc17d3e106 100644
--- a/Source/UnitTests/Common/BitUtilsTest.cpp
+++ b/Source/UnitTests/Common/BitUtilsTest.cpp
@@ -60,40 +60,40 @@ TEST(BitUtils, ExtractBits)
 
 TEST(BitUtils, RotateLeft)
 {
-  EXPECT_EQ(Common::RotateLeft(0xF0F0F0F0, 0), 0xF0F0F0F0);
-  EXPECT_EQ(Common::RotateLeft(0xF0F0F0F0, 4), 0x0F0F0F0F);
-  EXPECT_EQ(Common::RotateLeft(0xF0F0F0F0, 8), 0xF0F0F0F0);
-  EXPECT_EQ(Common::RotateLeft(0xF0F0F0F0F0F0F0F0, 0), 0xF0F0F0F0F0F0F0F0);
-  EXPECT_EQ(Common::RotateLeft(0xF0F0F0F0F0F0F0F0, 4), 0x0F0F0F0F0F0F0F0F);
-  EXPECT_EQ(Common::RotateLeft(0xF0F0F0F0F0F0F0F0, 8), 0xF0F0F0F0F0F0F0F0);
+  EXPECT_EQ(Common::RotateLeft(0xF0F0F0F0, 0), 0xF0F0F0F0U);
+  EXPECT_EQ(Common::RotateLeft(0xF0F0F0F0, 4), 0x0F0F0F0FU);
+  EXPECT_EQ(Common::RotateLeft(0xF0F0F0F0, 8), 0xF0F0F0F0U);
+  EXPECT_EQ(Common::RotateLeft(0xF0F0F0F0F0F0F0F0, 0), 0xF0F0F0F0F0F0F0F0U);
+  EXPECT_EQ(Common::RotateLeft(0xF0F0F0F0F0F0F0F0, 4), 0x0F0F0F0F0F0F0F0FU);
+  EXPECT_EQ(Common::RotateLeft(0xF0F0F0F0F0F0F0F0, 8), 0xF0F0F0F0F0F0F0F0U);
 
-  EXPECT_EQ(Common::RotateLeft(0xF1F1F1F1, 1), 0xE3E3E3E3);
-  EXPECT_EQ(Common::RotateLeft(0xF1F1F1F1, 2), 0xC7C7C7C7);
-  EXPECT_EQ(Common::RotateLeft(0xF1F1F1F1, 3), 0x8F8F8F8F);
-  EXPECT_EQ(Common::RotateLeft(0xF1F1F1F1, 4), 0x1F1F1F1F);
-  EXPECT_EQ(Common::RotateLeft(0xF1F1F1F1F1F1F1F1, 1), 0xE3E3E3E3E3E3E3E3);
-  EXPECT_EQ(Common::RotateLeft(0xF1F1F1F1F1F1F1F1, 2), 0xC7C7C7C7C7C7C7C7);
-  EXPECT_EQ(Common::RotateLeft(0xF1F1F1F1F1F1F1F1, 3), 0x8F8F8F8F8F8F8F8F);
-  EXPECT_EQ(Common::RotateLeft(0xF1F1F1F1F1F1F1F1, 4), 0x1F1F1F1F1F1F1F1F);
+  EXPECT_EQ(Common::RotateLeft(0xF1F1F1F1, 1), 0xE3E3E3E3U);
+  EXPECT_EQ(Common::RotateLeft(0xF1F1F1F1, 2), 0xC7C7C7C7U);
+  EXPECT_EQ(Common::RotateLeft(0xF1F1F1F1, 3), 0x8F8F8F8FU);
+  EXPECT_EQ(Common::RotateLeft(0xF1F1F1F1, 4), 0x1F1F1F1FU);
+  EXPECT_EQ(Common::RotateLeft(0xF1F1F1F1F1F1F1F1, 1), 0xE3E3E3E3E3E3E3E3U);
+  EXPECT_EQ(Common::RotateLeft(0xF1F1F1F1F1F1F1F1, 2), 0xC7C7C7C7C7C7C7C7U);
+  EXPECT_EQ(Common::RotateLeft(0xF1F1F1F1F1F1F1F1, 3), 0x8F8F8F8F8F8F8F8FU);
+  EXPECT_EQ(Common::RotateLeft(0xF1F1F1F1F1F1F1F1, 4), 0x1F1F1F1F1F1F1F1FU);
 }
 
 TEST(BitUtils, RotateRight)
 {
-  EXPECT_EQ(Common::RotateRight(0xF0F0F0F0, 0), 0xF0F0F0F0);
-  EXPECT_EQ(Common::RotateRight(0xF0F0F0F0, 4), 0x0F0F0F0F);
-  EXPECT_EQ(Common::RotateRight(0xF0F0F0F0, 8), 0xF0F0F0F0);
-  EXPECT_EQ(Common::RotateRight(0xF0F0F0F0F0F0F0F0, 0), 0xF0F0F0F0F0F0F0F0);
-  EXPECT_EQ(Common::RotateRight(0xF0F0F0F0F0F0F0F0, 4), 0x0F0F0F0F0F0F0F0F);
-  EXPECT_EQ(Common::RotateRight(0xF0F0F0F0F0F0F0F0, 8), 0xF0F0F0F0F0F0F0F0);
+  EXPECT_EQ(Common::RotateRight(0xF0F0F0F0, 0), 0xF0F0F0F0U);
+  EXPECT_EQ(Common::RotateRight(0xF0F0F0F0, 4), 0x0F0F0F0FU);
+  EXPECT_EQ(Common::RotateRight(0xF0F0F0F0, 8), 0xF0F0F0F0U);
+  EXPECT_EQ(Common::RotateRight(0xF0F0F0F0F0F0F0F0, 0), 0xF0F0F0F0F0F0F0F0U);
+  EXPECT_EQ(Common::RotateRight(0xF0F0F0F0F0F0F0F0, 4), 0x0F0F0F0F0F0F0F0FU);
+  EXPECT_EQ(Common::RotateRight(0xF0F0F0F0F0F0F0F0, 8), 0xF0F0F0F0F0F0F0F0U);
 
-  EXPECT_EQ(Common::RotateRight(0xF1F1F1F1, 1), 0xF8F8F8F8);
-  EXPECT_EQ(Common::RotateRight(0xF1F1F1F1, 2), 0x7C7C7C7C);
-  EXPECT_EQ(Common::RotateRight(0xF1F1F1F1, 3), 0x3E3E3E3E);
-  EXPECT_EQ(Common::RotateRight(0xF1F1F1F1, 4), 0x1F1F1F1F);
-  EXPECT_EQ(Common::RotateRight(0xF1F1F1F1F1F1F1F1, 1), 0xF8F8F8F8F8F8F8F8);
-  EXPECT_EQ(Common::RotateRight(0xF1F1F1F1F1F1F1F1, 2), 0x7C7C7C7C7C7C7C7C);
-  EXPECT_EQ(Common::RotateRight(0xF1F1F1F1F1F1F1F1, 3), 0x3E3E3E3E3E3E3E3E);
-  EXPECT_EQ(Common::RotateRight(0xF1F1F1F1F1F1F1F1, 4), 0x1F1F1F1F1F1F1F1F);
+  EXPECT_EQ(Common::RotateRight(0xF1F1F1F1, 1), 0xF8F8F8F8U);
+  EXPECT_EQ(Common::RotateRight(0xF1F1F1F1, 2), 0x7C7C7C7CU);
+  EXPECT_EQ(Common::RotateRight(0xF1F1F1F1, 3), 0x3E3E3E3EU);
+  EXPECT_EQ(Common::RotateRight(0xF1F1F1F1, 4), 0x1F1F1F1FU);
+  EXPECT_EQ(Common::RotateRight(0xF1F1F1F1F1F1F1F1, 1), 0xF8F8F8F8F8F8F8F8U);
+  EXPECT_EQ(Common::RotateRight(0xF1F1F1F1F1F1F1F1, 2), 0x7C7C7C7C7C7C7C7CU);
+  EXPECT_EQ(Common::RotateRight(0xF1F1F1F1F1F1F1F1, 3), 0x3E3E3E3E3E3E3E3EU);
+  EXPECT_EQ(Common::RotateRight(0xF1F1F1F1F1F1F1F1, 4), 0x1F1F1F1F1F1F1F1FU);
 }
 
 TEST(BitUtils, IsValidLowMask)
diff --git a/Source/UnitTests/Common/MathUtilTest.cpp b/Source/UnitTests/Common/MathUtilTest.cpp
index 2b808e7be5..daca01bb74 100644
--- a/Source/UnitTests/Common/MathUtilTest.cpp
+++ b/Source/UnitTests/Common/MathUtilTest.cpp
@@ -33,8 +33,8 @@ TEST(MathUtil, IntLog2)
 
 TEST(MathUtil, NextPowerOf2)
 {
-  EXPECT_EQ(4, MathUtil::NextPowerOf2(3));
-  EXPECT_EQ(4, MathUtil::NextPowerOf2(4));
-  EXPECT_EQ(8, MathUtil::NextPowerOf2(6));
-  EXPECT_EQ(0x40000000, MathUtil::NextPowerOf2(0x23456789));
+  EXPECT_EQ(4U, MathUtil::NextPowerOf2(3));
+  EXPECT_EQ(4U, MathUtil::NextPowerOf2(4));
+  EXPECT_EQ(8U, MathUtil::NextPowerOf2(6));
+  EXPECT_EQ(0x40000000U, MathUtil::NextPowerOf2(0x23456789));
 }