diff --git a/components/style/values/animated/mod.rs b/components/style/values/animated/mod.rs
index 17151a51d171..084dbc8bb6be 100644
--- a/components/style/values/animated/mod.rs
+++ b/components/style/values/animated/mod.rs
@@ -11,7 +11,6 @@
 use app_units::Au;
 use euclid::{Point2D, Size2D};
 use smallvec::SmallVec;
-use std::cmp::max;
 use values::computed::Angle as ComputedAngle;
 use values::computed::BorderCornerRadius as ComputedBorderCornerRadius;
 #[cfg(feature = "servo")]
@@ -22,7 +21,6 @@ use values::computed::MozLength as ComputedMozLength;
 use values::computed::NonNegativeLength as ComputedNonNegativeLength;
 use values::computed::NonNegativeLengthOrPercentage as ComputedNonNegativeLengthOrPercentage;
 use values::computed::NonNegativeNumber as ComputedNonNegativeNumber;
-use values::computed::PositiveInteger as ComputedPositiveInteger;
 use values::specified::url::SpecifiedUrl;
 
 pub mod color;
@@ -308,20 +306,6 @@ impl ToAnimatedValue for ComputedNonNegativeLength {
     }
 }
 
-impl ToAnimatedValue for ComputedPositiveInteger {
-    type AnimatedValue = Self;
-
-    #[inline]
-    fn to_animated_value(self) -> Self {
-        self
-    }
-
-    #[inline]
-    fn from_animated_value(animated: Self::AnimatedValue) -> Self {
-        max(animated.0, 1).into()
-    }
-}
-
 impl ToAnimatedValue for ComputedNonNegativeLengthOrPercentage {
     type AnimatedValue = Self;
 
diff --git a/components/style/values/computed/mod.rs b/components/style/values/computed/mod.rs
index 8caed3ad3fe5..c8db13e8b99b 100644
--- a/components/style/values/computed/mod.rs
+++ b/components/style/values/computed/mod.rs
@@ -18,6 +18,7 @@ use rule_cache::RuleCacheConditions;
 #[cfg(feature = "servo")]
 use servo_url::ServoUrl;
 use std::cell::RefCell;
+use std::cmp;
 use std::f32;
 use std::fmt::{self, Write};
 #[cfg(feature = "servo")]
@@ -25,6 +26,7 @@ use std::sync::Arc;
 use style_traits::{CssWriter, ToCss};
 use style_traits::cursor::CursorKind;
 use super::{CSSFloat, CSSInteger};
+use super::animated::ToAnimatedValue;
 use super::generics::{GreaterThanOrEqualToOne, NonNegative};
 use super::generics::grid::{GridLine as GenericGridLine, TrackBreadth as GenericTrackBreadth};
 use super::generics::grid::{TrackSize as GenericTrackSize, TrackList as GenericTrackList};
@@ -511,6 +513,20 @@ impl IntegerOrAuto {
 /// A wrapper of Integer, but only accept a value >= 1.
 pub type PositiveInteger = GreaterThanOrEqualToOne<CSSInteger>;
 
+impl ToAnimatedValue for PositiveInteger {
+    type AnimatedValue = CSSInteger;
+
+    #[inline]
+    fn to_animated_value(self) -> Self::AnimatedValue {
+        self.0
+    }
+
+    #[inline]
+    fn from_animated_value(animated: Self::AnimatedValue) -> Self {
+        cmp::max(animated, 1).into()
+    }
+}
+
 impl From<CSSInteger> for PositiveInteger {
     #[inline]
     fn from(int: CSSInteger) -> PositiveInteger {