diff --git a/src/test/java/nova/core/recipes/crafting/ShapedCraftingRecipeTest.java b/src/test/java/nova/core/recipes/crafting/ShapedCraftingRecipeTest.java
index a68c0d0b2..096597e40 100644
--- a/src/test/java/nova/core/recipes/crafting/ShapedCraftingRecipeTest.java
+++ b/src/test/java/nova/core/recipes/crafting/ShapedCraftingRecipeTest.java
@@ -87,9 +87,9 @@ public void testConsumeItems() {
 			Optional.empty(), Optional.of(item2.build()),
 			Optional.of(item3.build()), Optional.empty()
 		}, 4, Optional[].class));
-		assertThat(cg.iterator()).hasSize(2).containsExactly(item2.build(), item3.build());
+		assertThat(cg).hasSize(2).containsExactly(item2.build(), item3.build());
 		recipe.consumeItems(cg);
-		assertThat(cg.stream().iterator()).isEmpty();
+		assertThat(cg).isEmpty();
 	}
 
 	@Test
@@ -100,9 +100,9 @@ public void testConsumeItemsMirrored() {
 			Optional.of(item2.build()), Optional.empty(),
 			Optional.empty(), Optional.of(item3.build())
 		}, 4, Optional[].class));
-		assertThat(cg.iterator()).hasSize(2).containsExactly(item2.build(), item3.build());
+		assertThat(cg).hasSize(2).containsExactly(item2.build(), item3.build());
 		recipe.consumeItems(cg);
-		assertThat(cg.stream().iterator()).isEmpty();
+		assertThat(cg).isEmpty();
 	}
 
 	@Test(expected = IllegalArgumentException.class)
diff --git a/src/test/java/nova/core/recipes/crafting/ShapelessCraftingRecipeTest.java b/src/test/java/nova/core/recipes/crafting/ShapelessCraftingRecipeTest.java
index ece2fbe17..773c2fc64 100644
--- a/src/test/java/nova/core/recipes/crafting/ShapelessCraftingRecipeTest.java
+++ b/src/test/java/nova/core/recipes/crafting/ShapelessCraftingRecipeTest.java
@@ -81,9 +81,9 @@ public void testConsumeItems() {
 			Optional.empty(), Optional.of(item3.build()),
 			Optional.of(item2.build()), Optional.empty()
 		}, 4, Optional[].class));
-		assertThat(cg.iterator()).hasSize(2).containsExactly(item3.build(), item2.build());
+		assertThat(cg).hasSize(2).containsExactly(item3.build(), item2.build());
 		recipe.consumeItems(cg);
-		assertThat(cg.stream().iterator()).isEmpty();
+		assertThat(cg).isEmpty();
 	}
 
 	@Test
diff --git a/src/test/java/nova/core/util/RegistryTest.java b/src/test/java/nova/core/util/RegistryTest.java
index 79afd10d8..fbd219603 100644
--- a/src/test/java/nova/core/util/RegistryTest.java
+++ b/src/test/java/nova/core/util/RegistryTest.java
@@ -47,7 +47,7 @@ public void testRegistry() throws Exception {
 		assertThat(registry.get("ID1").get()).isEqualTo(id1);
 		assertThat(registry.get("ID2").get()).isEqualTo(id2);
 
-		assertThat(registry.iterator()).containsOnly(id1, id2);
+		assertThat(registry).containsOnly(id1, id2);
 
 		assertThat(registry.get("None").isPresent()).isFalse();