diff --git a/color/_functions.scss b/color/_functions.scss
index e3b6ff73..f1b67e3d 100644
--- a/color/_functions.scss
+++ b/color/_functions.scss
@@ -72,10 +72,3 @@ $_custom-property-prefix: "color";
 @function emit-variable($token, $fallback: false) {
     @return core.emit-variable(core.$colors, _exist($token), $fallback, $_custom-property-prefix);
 }
-
-///
-/// @deprecated Use `emit-variable()` function instead.
-///
-@function variable($token, $fallback: false) {
-    @return emit-variable($token, $fallback);
-}
diff --git a/core/_functions.scss b/core/_functions.scss
index 0ac697e1..fa5df756 100644
--- a/core/_functions.scss
+++ b/core/_functions.scss
@@ -41,13 +41,6 @@
     @return $tokens;
 }
 
-///
-/// @deprecated Use `validation()` function instead.
-///
-@function validate-theme($reference, $tokens) {
-    @return validation($reference, $tokens);
-}
-
 ///
 /// Transforms a user-provided theme's tokens map values into a `var()` custom properties.
 ///
diff --git a/core/_mixins.scss b/core/_mixins.scss
index 5054a156..5a5e8a84 100644
--- a/core/_mixins.scss
+++ b/core/_mixins.scss
@@ -113,24 +113,6 @@
     }
 }
 
-///
-/// @deprecated Use `emit-color-scheme()` mixin instead.
-///
-@mixin prefers-color-scheme($scheme: light) {
-    $theme: (
-        light,
-        dark
-    );
-
-    @if list.index($theme, $scheme) == null {
-        @error "Invalid color scheme, '#{$scheme}' doesn't exist. Choose one of '#{$theme}'.";
-    }
-
-    @media (prefers-color-scheme: $scheme) {
-        @content;
-    }
-}
-
 ///
 /// Config.
 ///
diff --git a/shape/_mixins.scss b/shape/_mixins.scss
index 1fcb5384..89ff37f1 100644
--- a/shape/_mixins.scss
+++ b/shape/_mixins.scss
@@ -33,7 +33,7 @@ $_custom-property-prefix: "shape";
         }
     }
 
-    $tokens: core.validate-theme(core.$shapes, $theme);
+    $tokens: core.validation(core.$shapes, $theme);
     $tokens: core.create-theme-vars($theme, $_custom-property-prefix);
 
     @include core.emit-theme-vars($tokens);
diff --git a/typography/_mixins.scss b/typography/_mixins.scss
index a6365dce..acc6e1ba 100644
--- a/typography/_mixins.scss
+++ b/typography/_mixins.scss
@@ -33,7 +33,7 @@ $_custom-property-prefix: "typography";
         }
     }
 
-    $tokens: core.validate-theme(core.$typographies, $theme);
+    $tokens: core.validation(core.$typographies, $theme);
     $tokens: core.create-theme-vars($theme, $_custom-property-prefix);
 
     @include core.emit-theme-vars($tokens);