diff --git a/agb/src/agb_alloc/mod.rs b/agb/src/agb_alloc/mod.rs
index edc8efc1..9e9408f4 100644
--- a/agb/src/agb_alloc/mod.rs
+++ b/agb/src/agb_alloc/mod.rs
@@ -39,7 +39,7 @@ mod test {
 
         let address = &*first_box as *const _ as usize;
         assert!(
-            address >= EWRAM_START && address < EWRAM_END,
+            (EWRAM_START..EWRAM_END).contains(&address),
             "ewram is located between 0x0200_0000 and 0x0204_0000, address was actually found to be {:#010X}",
             address
         );
@@ -53,8 +53,8 @@ mod test {
             v.push(i);
         }
 
-        for i in 0..100 {
-            assert_eq!(v[i], i);
+        for (i, &e) in v.iter().enumerate() {
+            assert_eq!(e, i);
         }
     }
 
@@ -66,7 +66,7 @@ mod test {
             assert_eq!(*x, i);
             let address = &*x as *const _ as usize;
             assert!(
-                address >= EWRAM_START && address < EWRAM_END,
+                (EWRAM_START..EWRAM_END).contains(&address),
                 "ewram is located between 0x0200_0000 and 0x0204_0000, address was actually found to be {:#010X}",
                 address
             );
diff --git a/agb/src/bitarray.rs b/agb/src/bitarray.rs
index 6f7c08ea..c237c36c 100644
--- a/agb/src/bitarray.rs
+++ b/agb/src/bitarray.rs
@@ -26,9 +26,9 @@ impl<const N: usize> Bitarray<N> {
 #[test_case]
 fn write_and_read(_gba: &mut crate::Gba) {
     let mut a: Bitarray<2> = Bitarray::new();
-    assert_eq!(a.get(55).unwrap(), false, "expect unset values to be false");
+    assert_eq!(a.get(55), Some(false), "expect unset values to be false");
     a.set(62, true);
-    assert_eq!(a.get(62).unwrap(), true, "expect set value to be true");
+    assert_eq!(a.get(62), Some(true), "expect set value to be true");
     assert_eq!(a.get(120), None, "expect out of range to give None");
 }
 
@@ -38,7 +38,7 @@ fn test_everything(_gba: &mut crate::Gba) {
         let mut a: Bitarray<2> = Bitarray::new();
         a.set(i, true);
         for j in 0..64 {
-            let expected = if i == j { true } else { false };
+            let expected = i == j;
             assert_eq!(
                 a.get(j).unwrap(),
                 expected,
diff --git a/agb/src/lib.rs b/agb/src/lib.rs
index 8864b605..149ad46a 100644
--- a/agb/src/lib.rs
+++ b/agb/src/lib.rs
@@ -195,7 +195,7 @@ mod test {
             assert_eq!(content, 6, "expected data to have increased by one");
             let address = ewram_ptr as usize;
             assert!(
-                address >= 0x0200_0000 && address < 0x0204_0000,
+                (0x0200_0000..0x0204_0000).contains(&address),
                 "ewram is located between 0x0200_0000 and 0x0204_0000, address was actually found to be {:#010X}",
                 address
             );
@@ -210,7 +210,7 @@ mod test {
             let iwram_ptr = &mut IWRAM_EXPLICIT as *mut u32;
             let address = iwram_ptr as usize;
             assert!(
-                address >= 0x0300_0000 && address < 0x0300_8000,
+                (0x0300_0000..0x0300_8000).contains(&address),
                 "iwram is located beween 0x0300_0000 and 0x0300_8000, but was actually found to be at {:#010X}",
                 address
             );
@@ -229,7 +229,7 @@ mod test {
             let iwram_ptr = &mut IMPLICIT_STORAGE as *mut u32;
             let address = iwram_ptr as usize;
             assert!(
-                address >= 0x0200_0000 && address < 0x0204_0000,
+                (0x0200_0000..0x0204_0000).contains(&address),
                 "implicit data storage is expected to be in ewram, which is between 0x0300_0000 and 0x0300_8000, but was actually found to be at {:#010X}",
                 address
             );