diff --git a/src/fontinfo.rs b/src/fontinfo.rs
index cf8a2ed8..97b18058 100644
--- a/src/fontinfo.rs
+++ b/src/fontinfo.rs
@@ -1072,7 +1072,7 @@ impl NonNegativeIntegerOrFloat {
 
     /// Returns `true` if the value is an integer.
     pub(crate) fn is_integer(&self) -> bool {
-        self.0.fract().abs() < std::f64::EPSILON
+        self.0.fract().abs() < f64::EPSILON
     }
 }
 
diff --git a/src/glyph/serialize.rs b/src/glyph/serialize.rs
index d57e8a5f..74bdcc77 100644
--- a/src/glyph/serialize.rs
+++ b/src/glyph/serialize.rs
@@ -353,7 +353,7 @@ fn char_to_event(c: char) -> Event<'static> {
 }
 
 fn write_transform_attributes(element: &mut BytesStart, transform: &AffineTransform) {
-    if (transform.x_scale - 1.0).abs() > std::f64::EPSILON {
+    if (transform.x_scale - 1.0).abs() > f64::EPSILON {
         element.push_attribute(("xScale", transform.x_scale.to_string().as_str()));
     }
 
@@ -365,7 +365,7 @@ fn write_transform_attributes(element: &mut BytesStart, transform: &AffineTransf
         element.push_attribute(("yxScale", transform.yx_scale.to_string().as_str()));
     }
 
-    if (transform.y_scale - 1.0).abs() > std::f64::EPSILON {
+    if (transform.y_scale - 1.0).abs() > f64::EPSILON {
         element.push_attribute(("yScale", transform.y_scale.to_string().as_str()));
     }
 
diff --git a/src/kerning.rs b/src/kerning.rs
index 8021e268..37fda512 100644
--- a/src/kerning.rs
+++ b/src/kerning.rs
@@ -48,7 +48,7 @@ impl<'a> Serialize for KerningInnerSerializer<'a> {
     {
         let mut map = serializer.serialize_map(Some(self.inner_kerning.len()))?;
         for (k, v) in self.inner_kerning {
-            if (v - v.round()).abs() < std::f64::EPSILON {
+            if (v - v.round()).abs() < f64::EPSILON {
                 map.serialize_entry(k, &(*v as i32))?;
             } else {
                 map.serialize_entry(k, v)?;