diff --git a/test/unit/build.cpp b/test/unit/build.cpp
index 38c4372b..7199a16a 100644
--- a/test/unit/build.cpp
+++ b/test/unit/build.cpp
@@ -20,6 +20,7 @@ namespace lol
 
 LOLUNIT_FIXTURE(BuildTest)
 {
+#if !defined LOL_DEBUG
     LOLUNIT_TEST(FastMath)
     {
         double x, y;
@@ -31,6 +32,7 @@ LOLUNIT_FIXTURE(BuildTest)
 
         LOLUNIT_ASSERT_EQUAL(x, y);
     }
+#endif
 
     LOLUNIT_TEST(FastMathOverride)
     {
diff --git a/test/unit/image.cpp b/test/unit/image.cpp
index ae2a5a80..7e291dc8 100644
--- a/test/unit/image.cpp
+++ b/test/unit/image.cpp
@@ -24,14 +24,13 @@ LOLUNIT_FIXTURE(ImageTest)
 {
     LOLUNIT_TEST(OpenImage)
     {
-        Image *image = new Image("data/gradient.png");
-        LOLUNIT_ASSERT(image);
+        Image image("data/gradient.png");
 
-        ivec2 size = image->GetSize();
+        ivec2 size = image.GetSize();
         LOLUNIT_ASSERT_EQUAL(size.x, 256);
         LOLUNIT_ASSERT_EQUAL(size.y, 16);
 
-        uint8_t *data = (uint8_t *)image->GetData();
+        uint8_t *data = (uint8_t *)image.GetData();
         LOLUNIT_ASSERT(data);
 
         LOLUNIT_ASSERT_EQUAL((int)data[0], 0x00);
@@ -41,8 +40,6 @@ LOLUNIT_FIXTURE(ImageTest)
         LOLUNIT_ASSERT_EQUAL((int)data[255 * 4 + 0], 0xff);
         LOLUNIT_ASSERT_EQUAL((int)data[255 * 4 + 1], 0xff);
         LOLUNIT_ASSERT_EQUAL((int)data[255 * 4 + 2], 0xff);
-
-        delete image;
     }
 };