removed all caret border color settings.

less/button-groups.less

@@ -2,37 +2,6 @@
 // Button groups
 // --------------------------------------------------
 
-// Button carets
-//
-// Match the button text color to the arrow/caret for indicating dropdown-ness.
-
-.caret {
-  .btn-default & {
-    border-top-color: @btn-default-color;
-  }
-  .btn-primary &,
-  .btn-success &,
-  .btn-warning &,
-  .btn-danger &,
-  .btn-info & {
-    border-top-color: #fff;
-  }
-}
-.dropup {
-  .btn-default .caret {
-    border-bottom-color: @btn-default-color;
-  }
-  .btn-primary,
-  .btn-success,
-  .btn-warning,
-  .btn-danger,
-  .btn-info {
-   .caret {
-      border-bottom-color: #fff;
-    }
-  }
-}
-
 // Make the div behave like a button
 .btn-group,
 .btn-group-vertical {

less/dropdowns.less

@@ -10,7 +10,7 @@
   height: 0;
   margin-left: 2px;
   vertical-align: middle;
-  border-top:   @caret-width-base solid @dropdown-caret-color;
+  border-top:   @caret-width-base solid;
   border-right: @caret-width-base solid transparent;
   border-left:  @caret-width-base solid transparent;
 }
@@ -161,7 +161,7 @@
   // Reverse the caret
   .caret {
     border-top: 0;
-    border-bottom: @caret-width-base solid @dropdown-caret-color;
+    border-bottom: @caret-width-base solid;
     content: "";
   }
   // Different positioning for bottom up menu

less/mixins.less

@@ -403,9 +403,6 @@
     + .panel-collapse .panel-body {
       border-top-color: @border;
     }
-    & > .dropdown .caret {
-      border-color: @heading-text-color transparent;
-    }
   }
   & > .panel-footer {
     + .panel-collapse .panel-body {

less/navbar.less

@@ -414,15 +414,8 @@
     border-color: @navbar-default-border;
   }
 
-  // Dropdown menu items and carets
+  // Dropdown menu items
   .navbar-nav {
-    // Caret should match text color on hover
-    > .dropdown > a:hover .caret,
-    > .dropdown > a:focus .caret {
-      border-top-color: @navbar-default-link-hover-color;
-      border-bottom-color: @navbar-default-link-hover-color;
-    }
-
     // Remove background color from open dropdown
     > .open > a {
       &,
@@ -430,17 +423,8 @@
       &:focus {
         background-color: @navbar-default-link-active-bg;
         color: @navbar-default-link-active-color;
-        .caret {
-          border-top-color: @navbar-default-link-active-color;
-          border-bottom-color: @navbar-default-link-active-color;
-        }
       }
     }
-    > .dropdown > a .caret {
-      border-top-color: @navbar-default-link-color;
-      border-bottom-color: @navbar-default-link-color;
-    }
-
 
     @media (max-width: @screen-xs-max) {
       // Dropdowns get custom display when collapsed
@@ -561,24 +545,6 @@
         color: @navbar-inverse-link-active-color;
       }
     }
-    > .dropdown > a:hover .caret {
-      border-top-color: @navbar-inverse-link-hover-color;
-      border-bottom-color: @navbar-inverse-link-hover-color;
-    }
-    > .dropdown > a .caret {
-      border-top-color: @navbar-inverse-link-color;
-      border-bottom-color: @navbar-inverse-link-color;
-    }
-    > .open > a {
-      &,
-      &:hover,
-      &:focus {
-        .caret {
-          border-top-color: @navbar-inverse-link-active-color;
-          border-bottom-color: @navbar-inverse-link-active-color;
-        }
-      }
-    }
 
     @media (max-width: @screen-xs-max) {
       // Dropdowns get custom display

less/navs.less

@@ -48,11 +48,6 @@
     &:focus {
       background-color: @nav-link-hover-bg;
       border-color: @link-color;
-
-      .caret {
-        border-top-color: @link-hover-color;
-        border-bottom-color: @link-hover-color;
-      }
     }
   }
 
@@ -138,11 +133,6 @@
       &:focus {
         color: @nav-pills-active-link-hover-color;
         background-color: @nav-pills-active-link-hover-bg;
-
-        .caret {
-          border-top-color: @nav-pills-active-link-hover-color;
-          border-bottom-color: @nav-pills-active-link-hover-color;
-        }
       }
     }
   }
@@ -243,16 +233,6 @@
 // Dropdowns
 // -------------------------
 
-// Make dropdown carets use link color in navs
-.nav .caret {
-  border-top-color: @link-color;
-  border-bottom-color: @link-color;
-}
-.nav a:hover .caret {
-  border-top-color: @link-hover-color;
-  border-bottom-color: @link-hover-color;
-}
-
 // Specific dropdowns
 .nav-tabs .dropdown-menu {
   // make dropdown border overlap tab border

less/variables.less

@@ -186,8 +186,6 @@
 
 @dropdown-header-color:          @gray-light;
 
-@dropdown-caret-color:           #000;
-
 
 // COMPONENT VARIABLES
 // --------------------------------------------------
@@ -321,7 +319,6 @@
 @nav-disabled-link-hover-color:             @gray-light;
 
 @nav-open-link-hover-color:                 #fff;
-@nav-open-caret-border-color:               #fff;
 
 // Tabs
 @nav-tabs-border-color:                     #ddd;