diff --git a/library/core/src/num/mod.rs b/library/core/src/num/mod.rs
index ab1ede38979..034af6a0d57 100644
--- a/library/core/src/num/mod.rs
+++ b/library/core/src/num/mod.rs
@@ -483,7 +483,6 @@ impl u8 {
         Self = u8,
         ActualT = u8,
         SignedT = i8,
-        NonZeroT = NonZero<u8>,
         BITS = 8,
         MAX = 255,
         rot = 2,
@@ -1098,7 +1097,6 @@ impl u16 {
         Self = u16,
         ActualT = u16,
         SignedT = i16,
-        NonZeroT = NonZero<u16>,
         BITS = 16,
         MAX = 65535,
         rot = 4,
@@ -1147,7 +1145,6 @@ impl u32 {
         Self = u32,
         ActualT = u32,
         SignedT = i32,
-        NonZeroT = NonZero<u32>,
         BITS = 32,
         MAX = 4294967295,
         rot = 8,
@@ -1171,7 +1168,6 @@ impl u64 {
         Self = u64,
         ActualT = u64,
         SignedT = i64,
-        NonZeroT = NonZero<u64>,
         BITS = 64,
         MAX = 18446744073709551615,
         rot = 12,
@@ -1195,7 +1191,6 @@ impl u128 {
         Self = u128,
         ActualT = u128,
         SignedT = i128,
-        NonZeroT = NonZero<u128>,
         BITS = 128,
         MAX = 340282366920938463463374607431768211455,
         rot = 16,
@@ -1221,7 +1216,6 @@ impl usize {
         Self = usize,
         ActualT = u16,
         SignedT = isize,
-        NonZeroT = NonZero<usize>,
         BITS = 16,
         MAX = 65535,
         rot = 4,
@@ -1246,7 +1240,6 @@ impl usize {
         Self = usize,
         ActualT = u32,
         SignedT = isize,
-        NonZeroT = NonZero<usize>,
         BITS = 32,
         MAX = 4294967295,
         rot = 8,
@@ -1271,7 +1264,6 @@ impl usize {
         Self = usize,
         ActualT = u64,
         SignedT = isize,
-        NonZeroT = NonZero<usize>,
         BITS = 64,
         MAX = 18446744073709551615,
         rot = 12,
diff --git a/library/core/src/num/uint_macros.rs b/library/core/src/num/uint_macros.rs
index 00450c2cda3..ffe2ca2440e 100644
--- a/library/core/src/num/uint_macros.rs
+++ b/library/core/src/num/uint_macros.rs
@@ -3,7 +3,6 @@ macro_rules! uint_impl {
         Self = $SelfT:ty,
         ActualT = $ActualT:ident,
         SignedT = $SignedT:ident,
-        NonZeroT = $NonZeroT:ty,
 
         // There are all for use *only* in doc comments.
         // As such, they're all passed as literals -- passing them as a string
@@ -1216,8 +1215,7 @@ pub const fn checked_ilog(self, base: Self) -> Option<u32> {
                       without modifying the original"]
         #[inline]
         pub const fn checked_ilog2(self) -> Option<u32> {
-            // FIXME: Simply use `NonZero::new` once it is actually generic.
-            if let Some(x) = <$NonZeroT>::new(self) {
+            if let Some(x) = NonZero::new(self) {
                 Some(x.ilog2())
             } else {
                 None
@@ -1239,8 +1237,7 @@ pub const fn checked_ilog2(self) -> Option<u32> {
                       without modifying the original"]
         #[inline]
         pub const fn checked_ilog10(self) -> Option<u32> {
-            // FIXME: Simply use `NonZero::new` once it is actually generic.
-            if let Some(x) = <$NonZeroT>::new(self) {
+            if let Some(x) = NonZero::new(self) {
                 Some(x.ilog10())
             } else {
                 None