diff --git a/packages/core/changelog/@unreleased/pr-7085.v2.yml b/packages/core/changelog/@unreleased/pr-7085.v2.yml
new file mode 100644
index 0000000000..f40c759fe1
--- /dev/null
+++ b/packages/core/changelog/@unreleased/pr-7085.v2.yml
@@ -0,0 +1,6 @@
+type: fix
+fix:
+  description: Remove duplicate variables which overrides new dark theme secondary
+    and elevated colors with old values.
+  links:
+  - https://github.com/palantir/blueprint/pull/7085
diff --git a/packages/core/src/common/_color-aliases.scss b/packages/core/src/common/_color-aliases.scss
index 427cadcc33..ec5e290803 100644
--- a/packages/core/src/common/_color-aliases.scss
+++ b/packages/core/src/common/_color-aliases.scss
@@ -24,12 +24,6 @@ $pt-dark-app-secondary-background-color: $black !default;
 $pt-app-elevated-background-color: $light-gray4 !default;
 $pt-dark-app-elevated-background-color: $dark-gray2 !default;
 
-$pt-app-secondary-background-color: $white !default;
-$pt-dark-app-secondary-background-color: $dark-gray1 !default;
-
-$pt-app-elevated-background-color: $light-gray4 !default;
-$pt-dark-app-elevated-background-color: $dark-gray3 !default;
-
 $pt-outline-color: rgba($blue3, 0.6) !default;
 // 0.752 opacity to meet WCCAG 2.2 minimum contrast guidelines with all light-gray backgrounds in light theme
 // and all dark-gray backgrounds in dark theme