diff --git a/.vscode/settings.json b/.vscode/settings.json
index e9d2be71..38ab1e9d 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -21,6 +21,9 @@
       "changeProcessCWD": true
     }
   ],
+  "tailwindCSS.experimental.classRegex": [
+    ["cva\\(([^)]*)\\)", "[\"'`]([^\"'`]*).*?[\"'`]"]
+  ],
   "stylelint.enable": true,
   "autopep8.args": [
     "--max-line-length",
diff --git a/rsconcept/frontend/package-lock.json b/rsconcept/frontend/package-lock.json
index 96274c17..b8f9c894 100644
--- a/rsconcept/frontend/package-lock.json
+++ b/rsconcept/frontend/package-lock.json
@@ -11,10 +11,8 @@
         "@dagrejs/dagre": "^1.1.4",
         "@hookform/resolvers": "^5.0.1",
         "@lezer/lr": "^1.4.2",
-        "@radix-ui/react-dialog": "^1.1.7",
         "@radix-ui/react-popover": "^1.1.7",
         "@radix-ui/react-select": "^2.1.7",
-        "@radix-ui/react-slot": "^1.2.0",
         "@tanstack/react-query": "^5.72.2",
         "@tanstack/react-query-devtools": "^5.72.2",
         "@tanstack/react-table": "^8.21.2",
diff --git a/rsconcept/frontend/package.json b/rsconcept/frontend/package.json
index 1a49e096..f1fe922d 100644
--- a/rsconcept/frontend/package.json
+++ b/rsconcept/frontend/package.json
@@ -17,10 +17,8 @@
     "@dagrejs/dagre": "^1.1.4",
     "@hookform/resolvers": "^5.0.1",
     "@lezer/lr": "^1.4.2",
-    "@radix-ui/react-dialog": "^1.1.7",
     "@radix-ui/react-popover": "^1.1.7",
     "@radix-ui/react-select": "^2.1.7",
-    "@radix-ui/react-slot": "^1.2.0",
     "@tanstack/react-query": "^5.72.2",
     "@tanstack/react-query-devtools": "^5.72.2",
     "@tanstack/react-table": "^8.21.2",
diff --git a/rsconcept/frontend/src/components/ui/button.tsx b/rsconcept/frontend/src/components/ui/button.tsx
deleted file mode 100644
index 5c00bb3c..00000000
--- a/rsconcept/frontend/src/components/ui/button.tsx
+++ /dev/null
@@ -1,49 +0,0 @@
-import { Slot } from '@radix-ui/react-slot';
-import { cva, type VariantProps } from 'class-variance-authority';
-
-import { cn } from '@/lib/utils';
-
-const buttonVariants = cva(
-  "inline-flex items-center justify-center gap-2 cursor-pointer disabled:cursor-auto whitespace-nowrap font-medium transition-all disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4 shrink-0 [&_svg]:shrink-0 outline-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
-  {
-    variants: {
-      variant: {
-        default: 'bg-primary text-primary-foreground shadow-xs hover:bg-primary/90',
-        destructive:
-          'bg-destructive text-white shadow-xs hover:bg-destructive/90 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40 dark:bg-destructive/60',
-        outline:
-          'border bg-background shadow-xs hover:bg-accent hover:text-accent-foreground dark:bg-input/30 dark:border-input dark:hover:bg-input/50',
-        secondary: 'bg-secondary text-secondary-foreground shadow-xs hover:bg-secondary/80',
-        ghost: 'hover:bg-accent hover:text-accent-foreground dark:hover:bg-accent/50',
-        link: 'text-primary underline-offset-4 hover:underline'
-      },
-      size: {
-        default: 'h-9 px-4 py-2 has-[>svg]:px-3',
-        sm: 'h-8 gap-1.5 px-3 has-[>svg]:px-2.5',
-        lg: 'h-10 px-6 has-[>svg]:px-4',
-        icon: 'size-9'
-      }
-    },
-    defaultVariants: {
-      variant: 'default',
-      size: 'default'
-    }
-  }
-);
-
-function Button({
-  className,
-  variant,
-  size,
-  asChild = false,
-  ...props
-}: React.ComponentProps<'button'> &
-  VariantProps<typeof buttonVariants> & {
-    asChild?: boolean;
-  }) {
-  const Comp = asChild ? Slot : 'button';
-
-  return <Comp data-slot='button' className={cn(buttonVariants({ variant, size, className }))} {...props} />;
-}
-
-export { Button, buttonVariants };
diff --git a/rsconcept/frontend/src/components/ui/combo-box.tsx b/rsconcept/frontend/src/components/ui/combo-box.tsx
index 4738c1c6..8635cd46 100644
--- a/rsconcept/frontend/src/components/ui/combo-box.tsx
+++ b/rsconcept/frontend/src/components/ui/combo-box.tsx
@@ -5,11 +5,9 @@ import { ChevronDownIcon } from 'lucide-react';
 
 import { cn } from '@/lib/utils';
 
-import { MiniButton } from '../control';
 import { IconRemove } from '../icons';
 import { type Styling } from '../props';
 
-import { Button } from './button';
 import { Command, CommandEmpty, CommandGroup, CommandInput, CommandItem, CommandList } from './command';
 import { Popover, PopoverContent, PopoverTrigger } from './popover';
 
@@ -64,7 +62,7 @@ export function ComboBox<Option>({
     setOpen(false);
   }
 
-  function handleClear(event: React.MouseEvent<HTMLButtonElement>) {
+  function handleClear(event: React.MouseEvent<SVGElement>) {
     event.stopPropagation();
     handleChangeValue(null);
   }
@@ -72,18 +70,19 @@ export function ComboBox<Option>({
   return (
     <Popover open={open} onOpenChange={setOpen}>
       <PopoverTrigger asChild>
-        <Button
+        <button
           id={id}
           ref={triggerRef}
-          variant='ghost'
           role='combobox'
           aria-expanded={open}
           className={cn(
-            'relative justify-between font-normal bg-input hover:bg-input',
+            'relative h-9',
+            'inline-flex gap-2 px-3 py-2 items-center justify-between bg-input cursor-pointer disabled:cursor-auto whitespace-nowrap outline-none focus-visible:border-ring focus-visible:ring-ring focus-visible:ring-[3px] aria-invalid:ring-destructive aria-invalid:border-destructive',
+            "[&_svg:not([class*='size-'])]:size-4 shrink-0 [&_svg]:shrink-0",
             open && 'cursor-auto',
             !noBorder && 'border',
             noBorder && 'rounded-md',
-            !value && 'text-muted-foreground hover:text-muted-foreground',
+            !value && 'text-muted-foreground',
             className
           )}
           style={style}
@@ -92,16 +91,14 @@ export function ComboBox<Option>({
           <span className='truncate'>{value ? labelValueFunc(value) : placeholder}</span>
           <ChevronDownIcon className={cn('text-muted-foreground', clearable && !!value && 'opacity-0')} />
           {clearable && !!value ? (
-            <MiniButton
-              noHover
-              title='Очистить'
-              aria-label='Очистить'
-              className='absolute right-2 text-muted-foreground hover:text-warn-600'
-              icon={<IconRemove size='1rem' />}
+            <IconRemove
+              tabIndex={-1}
+              size='1rem'
+              className='absolute pointer-events-auto right-3 text-muted-foreground hover:text-warn-600'
               onClick={handleClear}
             />
           ) : null}
-        </Button>
+        </button>
       </PopoverTrigger>
       <PopoverContent sideOffset={-1} className='p-0' style={{ width: popoverWidth }}>
         <Command>