diff --git a/src/forms/form-control.scss b/src/forms/form-control.scss
index e319c395..a518737b 100644
--- a/src/forms/form-control.scss
+++ b/src/forms/form-control.scss
@@ -68,28 +68,6 @@ textarea.form-control {
   &:focus { background-color: var(--color-input-bg); }
 }
 
-// Inputs to be used against dark backgrounds.
-// TODO: Deprecate
-.input-dark {
-  color: var(--color-text-white);
-  // stylelint-disable-next-line primer/colors
-  background-color: var(--color-fade-white-15);
-  border-color: transparent;
-  box-shadow: none;
-
-  &::placeholder {
-    color: inherit;
-    opacity: 0.6; // inceases contrast ratio to 4.52
-  }
-
-  &.focus,
-  &:focus {
-    // stylelint-disable-next-line primer/borders
-    border-color: var(--color-fade-black-30);
-    box-shadow: var(--color-state-focus-shadow);
-  }
-}
-
 // Custom styling for HTML5 validation bubbles (WebKit only)
 ::placeholder {
   color: var(--color-text-placeholder);