diff --git a/test/unit/Common/utMesh.cpp b/test/unit/Common/utMesh.cpp
index da0c1084d..c1a532407 100644
--- a/test/unit/Common/utMesh.cpp
+++ b/test/unit/Common/utMesh.cpp
@@ -60,7 +60,7 @@ protected:
 };
 
 TEST_F(utMesh, emptyMeshHasNoContentTest) {
-  EXPECT_EQ(0, mesh->mName.length);
+  EXPECT_EQ(0u, mesh->mName.length);
   EXPECT_FALSE(mesh->HasPositions());
   EXPECT_FALSE(mesh->HasFaces());
   EXPECT_FALSE(mesh->HasNormals());
@@ -69,8 +69,8 @@ TEST_F(utMesh, emptyMeshHasNoContentTest) {
   EXPECT_FALSE(mesh->HasVertexColors(AI_MAX_NUMBER_OF_COLOR_SETS));
   EXPECT_FALSE(mesh->HasTextureCoords(0));
   EXPECT_FALSE(mesh->HasTextureCoords(AI_MAX_NUMBER_OF_TEXTURECOORDS));
-  EXPECT_EQ(0, mesh->GetNumUVChannels());
-  EXPECT_EQ(0, mesh->GetNumColorChannels());
+  EXPECT_EQ(0u, mesh->GetNumUVChannels());
+  EXPECT_EQ(0u, mesh->GetNumColorChannels());
   EXPECT_FALSE(mesh->HasBones());
   EXPECT_FALSE(mesh->HasTextureCoordsName(0));
   EXPECT_FALSE(mesh->HasTextureCoordsName(AI_MAX_NUMBER_OF_TEXTURECOORDS));
@@ -80,8 +80,8 @@ TEST_F(utMesh, setTextureCoordsName) {
   EXPECT_FALSE(mesh->HasTextureCoordsName(0));
   const aiString texcoords_name("texcoord_name");
   mesh->SetTextureCoordsName(0, texcoords_name);
-  EXPECT_TRUE(mesh->HasTextureCoordsName(0));
-  EXPECT_FALSE(mesh->HasTextureCoordsName(1));
+  EXPECT_TRUE(mesh->HasTextureCoordsName(0u));
+  EXPECT_FALSE(mesh->HasTextureCoordsName(1u));
   ASSERT_NE(nullptr, mesh->mTextureCoordsNames);
   ASSERT_NE(nullptr, mesh->mTextureCoordsNames[0]);
   EXPECT_STREQ(texcoords_name.C_Str(), mesh->mTextureCoordsNames[0]->C_Str());
@@ -94,3 +94,4 @@ TEST_F(utMesh, setTextureCoordsName) {
   EXPECT_EQ(nullptr, mesh->mTextureCoordsNames[0]);
   EXPECT_EQ(nullptr, mesh->GetTextureCoordsName(0));
 }
+
diff --git a/test/unit/utColladaExport.cpp b/test/unit/utColladaExport.cpp
index d0c22ffb8..e588872f0 100644
--- a/test/unit/utColladaExport.cpp
+++ b/test/unit/utColladaExport.cpp
@@ -124,9 +124,9 @@ TEST_F(utColladaExport, testExportLight) {
     ASSERT_NE(pTest, nullptr);
     ASSERT_TRUE(pTest->HasLights());
 
-    const unsigned int origNumLights(pTest->mNumLights);
+    const unsigned int origNumLights = pTest->mNumLights;
     // There are FIVE!!! LIGHTS!!!
-    EXPECT_EQ(5, origNumLights) << "lights.dae should contain five lights";
+    EXPECT_EQ(5u, origNumLights) << "lights.dae should contain five lights";
 
     std::vector<aiLight> origLights(5);
     for (size_t i = 0; i < origNumLights; i++) {