diff --git a/components/style/values/animated/mod.rs b/components/style/values/animated/mod.rs
index bcb6dc46954..5946168f52f 100644
--- a/components/style/values/animated/mod.rs
+++ b/components/style/values/animated/mod.rs
@@ -15,7 +15,6 @@ use values::computed::Angle as ComputedAngle;
 use values::computed::BorderCornerRadius as ComputedBorderCornerRadius;
 #[cfg(feature = "servo")]
 use values::computed::ComputedUrl;
-use values::computed::GreaterThanOrEqualToOneNumber as ComputedGreaterThanOrEqualToOneNumber;
 use values::computed::MaxLength as ComputedMaxLength;
 use values::computed::MozLength as ComputedMozLength;
 use values::computed::NonNegativeLength as ComputedNonNegativeLength;
@@ -262,20 +261,6 @@ trivial_to_animated_value!(ComputedUrl);
 trivial_to_animated_value!(bool);
 trivial_to_animated_value!(f32);
 
-impl ToAnimatedValue for ComputedGreaterThanOrEqualToOneNumber {
-    type AnimatedValue = Self;
-
-    #[inline]
-    fn to_animated_value(self) -> Self {
-        self
-    }
-
-    #[inline]
-    fn from_animated_value(animated: Self::AnimatedValue) -> Self {
-        animated.0.max(1.).into()
-    }
-}
-
 impl ToAnimatedValue for ComputedNonNegativeLength {
     type AnimatedValue = Self;
 
diff --git a/components/style/values/computed/mod.rs b/components/style/values/computed/mod.rs
index dca7354e3bf..14548efc909 100644
--- a/components/style/values/computed/mod.rs
+++ b/components/style/values/computed/mod.rs
@@ -460,6 +460,20 @@ impl From<NonNegativeNumber> for CSSFloat {
 /// A wrapper of Number, but the value >= 1.
 pub type GreaterThanOrEqualToOneNumber = GreaterThanOrEqualToOne<CSSFloat>;
 
+impl ToAnimatedValue for GreaterThanOrEqualToOneNumber {
+    type AnimatedValue = CSSFloat;
+
+    #[inline]
+    fn to_animated_value(self) -> Self::AnimatedValue {
+        self.0
+    }
+
+    #[inline]
+    fn from_animated_value(animated: Self::AnimatedValue) -> Self {
+        animated.max(1.).into()
+    }
+}
+
 impl From<CSSFloat> for GreaterThanOrEqualToOneNumber {
     #[inline]
     fn from(number: CSSFloat) -> GreaterThanOrEqualToOneNumber {
diff --git a/components/style/values/computed/text.rs b/components/style/values/computed/text.rs
index bd97bd780d4..5de5e450cb6 100644
--- a/components/style/values/computed/text.rs
+++ b/components/style/values/computed/text.rs
@@ -9,7 +9,6 @@ use properties::StyleBuilder;
 use std::fmt::{self, Write};
 use style_traits::{CssWriter, ToCss};
 use values::{CSSInteger, CSSFloat};
-use values::animated::ToAnimatedZero;
 use values::computed::{NonNegativeLength, NonNegativeNumber};
 use values::computed::length::{Length, LengthOrPercentage};
 use values::generics::text::InitialLetter as GenericInitialLetter;
@@ -31,11 +30,6 @@ pub type WordSpacing = Spacing<LengthOrPercentage>;
 /// A computed value for the `line-height` property.
 pub type LineHeight = GenericLineHeight<NonNegativeNumber, NonNegativeLength>;
 
-impl ToAnimatedZero for LineHeight {
-    #[inline]
-    fn to_animated_zero(&self) -> Result<Self, ()> { Err(()) }
-}
-
 #[derive(Clone, Debug, MallocSizeOf, PartialEq)]
 /// text-overflow.
 /// When the specified value only has one side, that's the "second"
diff --git a/components/style/values/generics/text.rs b/components/style/values/generics/text.rs
index 4ff582f811f..94955a58b02 100644
--- a/components/style/values/generics/text.rs
+++ b/components/style/values/generics/text.rs
@@ -121,6 +121,11 @@ pub enum LineHeight<Number, LengthOrPercentage> {
     Length(LengthOrPercentage),
 }
 
+impl<N, L> ToAnimatedZero for LineHeight<N, L> {
+    #[inline]
+    fn to_animated_zero(&self) -> Result<Self, ()> { Err(()) }
+}
+
 impl<N, L> LineHeight<N, L> {
     /// Returns `normal`.
     #[inline]