diff --git a/src/librustc_mir/util/pretty.rs b/src/librustc_mir/util/pretty.rs
index 958e5188fed04..2a9cbc7fc0e37 100644
--- a/src/librustc_mir/util/pretty.rs
+++ b/src/librustc_mir/util/pretty.rs
@@ -406,7 +406,7 @@ impl Visitor<'tcx> for ExtraComments<'tcx> {
         self.super_const(constant);
         let ty::Const { ty, val, .. } = constant;
         match ty.kind {
-            ty::Int(_) | ty::Uint(_) | ty::Bool | ty::Char => {}
+            ty::Int(_) | ty::Uint(_) | ty::Bool | ty::Char | ty::Float(_) => {}
             // Unit type
             ty::Tuple(tys) if tys.is_empty() => {}
             ty::FnDef(..) => {}
diff --git a/src/test/mir-opt/deaggregator_test.bar.Deaggregator.diff b/src/test/mir-opt/deaggregator_test.bar.Deaggregator.diff
index ebe76e8e270cd..e60a1f3e75f9f 100644
--- a/src/test/mir-opt/deaggregator_test.bar.Deaggregator.diff
+++ b/src/test/mir-opt/deaggregator_test.bar.Deaggregator.diff
@@ -12,9 +12,6 @@
 -         _0 = Baz { x: move _2, y: const 0f32, z: const false }; // scope 0 at $DIR/deaggregator_test.rs:9:5: 9:35
 +         (_0.0: usize) = move _2;         // scope 0 at $DIR/deaggregator_test.rs:9:5: 9:35
 +         (_0.1: f32) = const 0f32;        // scope 0 at $DIR/deaggregator_test.rs:9:5: 9:35
-                                           // ty::Const
-                                           // + ty: f32
-                                           // + val: Value(Scalar(0x00000000))
                                            // mir::Constant
                                            // + span: $DIR/deaggregator_test.rs:9:20: 9:23
                                            // + literal: Const { ty: f32, val: Value(Scalar(0x00000000)) }