diff --git a/src/params/boolean.rs b/src/params/boolean.rs
index ba807263..abc2a0b6 100644
--- a/src/params/boolean.rs
+++ b/src/params/boolean.rs
@@ -146,6 +146,7 @@ impl Param for BoolParam {
         Some(self.preview_normalized(value))
     }
 
+    #[inline]
     fn preview_normalized(&self, plain: Self::Plain) -> f32 {
         if plain {
             1.0
@@ -154,6 +155,7 @@ impl Param for BoolParam {
         }
     }
 
+    #[inline]
     fn preview_plain(&self, normalized: f32) -> Self::Plain {
         normalized > 0.5
     }
diff --git a/src/params/enums.rs b/src/params/enums.rs
index b913df16..9b59c509 100644
--- a/src/params/enums.rs
+++ b/src/params/enums.rs
@@ -191,10 +191,12 @@ impl<T: Enum + PartialEq> Param for EnumParam<T> {
         self.inner.string_to_normalized_value(string)
     }
 
+    #[inline]
     fn preview_normalized(&self, plain: Self::Plain) -> f32 {
         self.inner.preview_normalized(T::to_index(plain) as i32)
     }
 
+    #[inline]
     fn preview_plain(&self, normalized: f32) -> Self::Plain {
         T::from_index(self.inner.preview_plain(normalized) as usize)
     }
@@ -276,10 +278,12 @@ impl Param for EnumParamInner {
             .map(|idx| self.preview_normalized(idx as i32))
     }
 
+    #[inline]
     fn preview_normalized(&self, plain: Self::Plain) -> f32 {
         self.inner.preview_normalized(plain)
     }
 
+    #[inline]
     fn preview_plain(&self, normalized: f32) -> Self::Plain {
         self.inner.preview_plain(normalized)
     }
diff --git a/src/params/float.rs b/src/params/float.rs
index 3f80169a..803ad9e6 100644
--- a/src/params/float.rs
+++ b/src/params/float.rs
@@ -180,10 +180,12 @@ impl Param for FloatParam {
         Some(self.preview_normalized(value))
     }
 
+    #[inline]
     fn preview_normalized(&self, plain: Self::Plain) -> f32 {
         self.range.normalize(plain)
     }
 
+    #[inline]
     fn preview_plain(&self, normalized: f32) -> Self::Plain {
         let value = self.range.unnormalize(normalized);
         match &self.step_size {
diff --git a/src/params/integer.rs b/src/params/integer.rs
index d6ecc22d..13a2575f 100644
--- a/src/params/integer.rs
+++ b/src/params/integer.rs
@@ -164,10 +164,12 @@ impl Param for IntParam {
         Some(self.preview_normalized(value))
     }
 
+    #[inline]
     fn preview_normalized(&self, plain: Self::Plain) -> f32 {
         self.range.normalize(plain)
     }
 
+    #[inline]
     fn preview_plain(&self, normalized: f32) -> Self::Plain {
         self.range.unnormalize(normalized)
     }