diff --git a/src/definitions/collections/form.less b/src/definitions/collections/form.less
index 02aa03c119..5927b685d0 100755
--- a/src/definitions/collections/form.less
+++ b/src/definitions/collections/form.less
@@ -671,22 +671,16 @@
         Checkbox State
     ---------------------*/
     .ui.form .fields.@{state} .field .checkbox:not(.toggle):not(.slider) label,
-    .ui.form .field.@{state} .checkbox:not(.toggle):not(.slider) label,
-    .ui.form .fields.@{state} .field .checkbox:not(.toggle):not(.slider) .box,
-    .ui.form .field.@{state} .checkbox:not(.toggle):not(.slider) .box {
+    .ui.form .field.@{state} .checkbox:not(.toggle):not(.slider) label {
       color: @c;
     }
     .ui.form .fields.@{state} .field .checkbox:not(.toggle):not(.slider) label:before,
-    .ui.form .field.@{state} .checkbox:not(.toggle):not(.slider) label:before,
-    .ui.form .fields.@{state} .field .checkbox:not(.toggle):not(.slider) .box:before,
-    .ui.form .field.@{state} .checkbox:not(.toggle):not(.slider) .box:before {
+    .ui.form .field.@{state} .checkbox:not(.toggle):not(.slider) label:before {
       background: @bg;
       border-color: @bdc;
     }
     .ui.form .fields.@{state} .field .checkbox label:after,
-    .ui.form .field.@{state} .checkbox label:after,
-    .ui.form .fields.@{state} .field .checkbox .box:after,
-    .ui.form .field.@{state} .checkbox .box:after {
+    .ui.form .field.@{state} .checkbox label:after {
       color: @c;
     }
 
@@ -813,9 +807,7 @@
   .ui.inverted.form label,
   .ui.form .inverted.segment label,
   .ui.form .inverted.segment .ui.checkbox label,
-  .ui.form .inverted.segment .ui.checkbox .box,
   .ui.inverted.form .ui.checkbox label,
-  .ui.inverted.form .ui.checkbox .box,
   .ui.inverted.form .inline.fields > label,
   .ui.inverted.form .inline.fields .field > label,
   .ui.inverted.form .inline.fields .field > p,
diff --git a/src/definitions/modules/checkbox.js b/src/definitions/modules/checkbox.js
index 60e2fc6aaa..f2dbb5d675 100644
--- a/src/definitions/modules/checkbox.js
+++ b/src/definitions/modules/checkbox.js
@@ -864,7 +864,7 @@ $.fn.checkbox.settings = {
 
   selector : {
     checkbox : '.ui.checkbox',
-    label    : 'label, .box',
+    label    : 'label',
     input    : 'input[type="checkbox"], input[type="radio"]',
     link     : 'a[href]'
   }
diff --git a/src/definitions/modules/checkbox.less b/src/definitions/modules/checkbox.less
index 43a5376735..9b18d2b7b1 100755
--- a/src/definitions/modules/checkbox.less
+++ b/src/definitions/modules/checkbox.less
@@ -55,126 +55,6 @@
 }
 
 
-& when (@variationCheckboxBox) {
-  /*--------------
-        Box
-  ---------------*/
-
-  /* .box selector is deprecated and will be removed in v3 */
-  .ui.checkbox .box {
-    &:extend(.ui.checkbox label all);
-  }
-  .ui.checkbox + .box {
-    &:extend(.ui.checkbox + label all);
-  }
-  .ui.checkbox input:focus ~ .box {
-    &:extend(.ui.checkbox input:focus ~ label all);
-  }
-  .ui.checkbox input:checked ~ .box {
-    &:extend(.ui.checkbox input:checked ~ label all);
-  }
-  & when (@variationCheckboxIndeterminate) {
-    .ui.checkbox input:not([type=radio]):indeterminate ~ .box {
-      &:extend(.ui.checkbox input:not([type=radio]):indeterminate ~ label all);
-    }
-    .ui.checkbox input:not([type=radio]):indeterminate:focus ~ .box {
-      &:extend(.ui.checkbox input:not([type=radio]):indeterminate:focus ~ label all);
-    }
-  }
-  .ui.checkbox input:checked:focus ~ .box {
-    &:extend(.ui.checkbox input:checked:focus ~ label all);
-  }
-  & when (@variationCheckboxDisabled) {
-    .ui.disabled.checkbox .box {
-      &:extend(.ui.disabled.checkbox label all);
-    }
-
-    .ui.checkbox input[disabled] ~ .box {
-      &:extend(.ui.checkbox input[disabled] ~ label all);
-    }
-  }
-  & when (@variationCheckboxRadio) {
-    .ui.radio.checkbox .box {
-      &:extend(.ui.radio.checkbox label all);
-    }
-    .ui.radio.checkbox input:focus ~ .box {
-      &:extend(.ui.radio.checkbox input:focus ~ label all);
-    }
-    .ui.radio.checkbox input:indeterminate ~ .box {
-      &:extend(.ui.radio.checkbox input:indeterminate ~ label all);
-    }
-    .ui.radio.checkbox input:checked ~ .box {
-      &:extend(.ui.radio.checkbox input:checked ~ label all);
-    }
-    .ui.radio.checkbox input:focus:checked ~ .box {
-      &:extend(.ui.radio.checkbox input:focus:checked ~ label all);
-    }
-  }
-  & when (@variationCheckboxSlider) {
-    .ui.slider.checkbox .box {
-      &:extend(.ui.slider.checkbox label all);
-    }
-    .ui.slider.checkbox input:focus ~ .box {
-      &:extend(.ui.slider.checkbox input:focus ~ label all);
-    }
-    .ui.slider.checkbox input:checked ~ .box {
-      &:extend(.ui.slider.checkbox input:checked ~ label all);
-    }
-    .ui.slider.checkbox input:focus:checked ~ .box {
-      &:extend(.ui.slider.checkbox input:focus:checked ~ label all);
-    }
-  }
-  & when (@variationCheckboxToggle) {
-    .ui.toggle.checkbox .box {
-      &:extend(.ui.toggle.checkbox label all);
-    }
-    .ui.toggle.checkbox input ~ .box {
-      &:extend(.ui.toggle.checkbox input ~ label all);
-    }
-    .ui.toggle.checkbox input:focus ~ .box {
-      &:extend(.ui.toggle.checkbox input:focus ~ label all);
-    }
-    .ui.toggle.checkbox input:checked ~ .box {
-      &:extend(.ui.toggle.checkbox input:checked ~ label all);
-    }
-    .ui.toggle.checkbox input:focus:checked ~ .box {
-      &:extend(.ui.toggle.checkbox input:focus:checked ~ label all);
-    }
-  }
-  & when (@variationCheckboxFitted) {
-    .ui.fitted.checkbox .box {
-      &:extend(.ui.fitted.checkbox label all);
-    }
-  }
-  & when (@variationCheckboxInverted) {
-    .ui.inverted.checkbox .box {
-      &:extend(.ui.inverted.checkbox label all);
-    }
-    & when (@variationCheckboxSlider) {
-      .ui.inverted.slider.checkbox .box {
-        &:extend(.ui.inverted.slider.checkbox label all);
-      }
-      .ui.inverted.slider.checkbox input:checked ~ .box {
-        &:extend(.ui.inverted.slider.checkbox input:checked ~ label all);
-      }
-      .ui.inverted.slider.checkbox input:focus:checked ~ .box {
-        &:extend(.ui.inverted.slider.checkbox input:focus:checked ~ label all);
-      }
-    }
-    & when (@variationCheckboxToggle) {
-      .ui.inverted.toggle.checkbox .box {
-        &:extend(.ui.inverted.toggle.checkbox label all);
-      }
-      .ui.inverted.toggle.checkbox input:checked ~ .box {
-        &:extend(.ui.inverted.toggle.checkbox input:checked ~ label all);
-      }
-      .ui.inverted.toggle.checkbox input:focus:checked ~ .box {
-        &:extend(.ui.inverted.toggle.checkbox input:focus:checked ~ label all);
-      }
-    }
-  }
-}
-
 .ui.checkbox label {
   cursor: auto;
   position: relative;
@@ -833,32 +713,6 @@ each(@variationCheckboxSizes, {
       }
     }
   }
-  & when (@@raw > 1) and (@variationCheckboxBox) {
-    .ui.@{value}.form .checkbox,
-    .ui.@{value}.checkbox {
-      &:not(.slider):not(.toggle):not(.radio) {
-        &
-        .box:after,
-        .box:before {
-          transform: scale(@@raw);
-          transform-origin:left;
-        }
-      }
-      &.radio when (@variationCheckboxRadio) {
-        &
-        .box:before {
-          transform: scale(@@raw);
-          transform-origin:left;
-        }
-        &
-        .box:after {
-          transform:scale(@@circleScale);
-          transform-origin:left;
-          left: @@circleLeft;
-        }
-      }
-    }
-  }
 })
 
 .loadUIOverrides();
diff --git a/src/themes/default/globals/variation.variables b/src/themes/default/globals/variation.variables
index f0b2a9111c..e3b6ea2778 100644
--- a/src/themes/default/globals/variation.variables
+++ b/src/themes/default/globals/variation.variables
@@ -383,7 +383,6 @@
 @variationCalendarDisabled: true;
 
 /* Checkbox */
-@variationCheckboxBox: false;   //.box (instead of label) is an ancient fragment of sui v1 and not even documented in v2.x anymore
 @variationCheckboxDisabled: true;
 @variationCheckboxReadonly: true;
 @variationCheckboxInverted: true;