diff --git a/src/librustc/mir/interpret/value.rs b/src/librustc/mir/interpret/value.rs
index 9e54b146fd02a..4304f08a78f0c 100644
--- a/src/librustc/mir/interpret/value.rs
+++ b/src/librustc/mir/interpret/value.rs
@@ -181,7 +181,7 @@ impl<'tcx, Tag> Scalar<Tag> {
     #[inline]
     pub fn is_null_ptr(self, cx: impl HasDataLayout) -> bool {
         match self {
-            Scalar::Bits { bits, size } =>  {
+            Scalar::Bits { bits, size } => {
                 assert_eq!(size as u64, cx.data_layout().pointer_size.bytes());
                 bits == 0
             },
@@ -189,14 +189,6 @@ impl<'tcx, Tag> Scalar<Tag> {
         }
     }
 
-    #[inline]
-    pub fn is_null(self) -> bool {
-        match self {
-            Scalar::Bits { bits, .. } => bits == 0,
-            Scalar::Ptr(_) => false
-        }
-    }
-
     #[inline]
     pub fn from_bool(b: bool) -> Self {
         Scalar::Bits { bits: b as u128, size: 1 }