diff --git a/src/components/ui/HeaderInputList.tsx b/src/components/ui/HeaderInputList.tsx
deleted file mode 100644
index 6aea347..0000000
--- a/src/components/ui/HeaderInputList.tsx
+++ /dev/null
@@ -1,81 +0,0 @@
-import { Fragment } from 'react';
-import { Button } from './Button';
-import { IconX } from './icons';
-import type { HeaderEntry } from '@/utils/headers';
-
-interface HeaderInputListProps {
-  entries: HeaderEntry[];
-  onChange: (entries: HeaderEntry[]) => void;
-  addLabel: string;
-  disabled?: boolean;
-  keyPlaceholder?: string;
-  valuePlaceholder?: string;
-  removeButtonTitle?: string;
-  removeButtonAriaLabel?: string;
-}
-
-export function HeaderInputList({
-  entries,
-  onChange,
-  addLabel,
-  disabled = false,
-  keyPlaceholder = 'X-Custom-Header',
-  valuePlaceholder = 'value',
-  removeButtonTitle = 'Remove',
-  removeButtonAriaLabel = 'Remove',
-}: HeaderInputListProps) {
-  const currentEntries = entries.length ? entries : [{ key: '', value: '' }];
-
-  const updateEntry = (index: number, field: 'key' | 'value', value: string) => {
-    const next = currentEntries.map((entry, idx) => (idx === index ? { ...entry, [field]: value } : entry));
-    onChange(next);
-  };
-
-  const addEntry = () => {
-    onChange([...currentEntries, { key: '', value: '' }]);
-  };
-
-  const removeEntry = (index: number) => {
-    const next = currentEntries.filter((_, idx) => idx !== index);
-    onChange(next.length ? next : [{ key: '', value: '' }]);
-  };
-
-  return (
-    <div className="header-input-list">
-      {currentEntries.map((entry, index) => (
-        <Fragment key={index}>
-          <div className="header-input-row">
-            <input
-              className="input"
-              placeholder={keyPlaceholder}
-              value={entry.key}
-              onChange={(e) => updateEntry(index, 'key', e.target.value)}
-              disabled={disabled}
-            />
-            <span className="header-separator">:</span>
-            <input
-              className="input"
-              placeholder={valuePlaceholder}
-              value={entry.value}
-              onChange={(e) => updateEntry(index, 'value', e.target.value)}
-              disabled={disabled}
-            />
-            <Button
-              variant="ghost"
-              size="sm"
-              onClick={() => removeEntry(index)}
-              disabled={disabled || currentEntries.length <= 1}
-              title={removeButtonTitle}
-              aria-label={removeButtonAriaLabel}
-            >
-              <IconX size={14} />
-            </Button>
-          </div>
-        </Fragment>
-      ))}
-      <Button variant="secondary" size="sm" onClick={addEntry} disabled={disabled} className="align-start">
-        {addLabel}
-      </Button>
-    </div>
-  );
-}
diff --git a/src/components/ui/ModelInputList.tsx b/src/components/ui/ModelInputList.tsx
deleted file mode 100644
index a2b0a2c..0000000
--- a/src/components/ui/ModelInputList.tsx
+++ /dev/null
@@ -1,103 +0,0 @@
-import { Fragment } from 'react';
-import { Button } from './Button';
-import { IconX } from './icons';
-import type { ModelEntry } from './modelInputListUtils';
-
-interface ModelInputListProps {
-  entries: ModelEntry[];
-  onChange: (entries: ModelEntry[]) => void;
-  addLabel?: string;
-  disabled?: boolean;
-  namePlaceholder?: string;
-  aliasPlaceholder?: string;
-  hideAddButton?: boolean;
-  onAdd?: () => void;
-  className?: string;
-  rowClassName?: string;
-  inputClassName?: string;
-  removeButtonClassName?: string;
-  removeButtonTitle?: string;
-  removeButtonAriaLabel?: string;
-}
-
-export function ModelInputList({
-  entries,
-  onChange,
-  addLabel,
-  disabled = false,
-  namePlaceholder = 'model-name',
-  aliasPlaceholder = 'alias (optional)',
-  hideAddButton = false,
-  onAdd,
-  className = '',
-  rowClassName = '',
-  inputClassName = '',
-  removeButtonClassName = '',
-  removeButtonTitle = 'Remove',
-  removeButtonAriaLabel = 'Remove',
-}: ModelInputListProps) {
-  const currentEntries = entries.length ? entries : [{ name: '', alias: '' }];
-  const containerClassName = ['header-input-list', className].filter(Boolean).join(' ');
-  const inputClassNames = ['input', inputClassName].filter(Boolean).join(' ');
-  const rowClassNames = ['header-input-row', rowClassName].filter(Boolean).join(' ');
-
-  const updateEntry = (index: number, field: 'name' | 'alias', value: string) => {
-    const next = currentEntries.map((entry, idx) => (idx === index ? { ...entry, [field]: value } : entry));
-    onChange(next);
-  };
-
-  const addEntry = () => {
-    if (onAdd) {
-      onAdd();
-    } else {
-      onChange([...currentEntries, { name: '', alias: '' }]);
-    }
-  };
-
-  const removeEntry = (index: number) => {
-    const next = currentEntries.filter((_, idx) => idx !== index);
-    onChange(next.length ? next : [{ name: '', alias: '' }]);
-  };
-
-  return (
-    <div className={containerClassName}>
-      {currentEntries.map((entry, index) => (
-        <Fragment key={index}>
-          <div className={rowClassNames}>
-            <input
-              className={inputClassNames}
-              placeholder={namePlaceholder}
-              value={entry.name}
-              onChange={(e) => updateEntry(index, 'name', e.target.value)}
-              disabled={disabled}
-            />
-            <span className="header-separator">→</span>
-            <input
-              className={inputClassNames}
-              placeholder={aliasPlaceholder}
-              value={entry.alias}
-              onChange={(e) => updateEntry(index, 'alias', e.target.value)}
-              disabled={disabled}
-            />
-            <Button
-              variant="ghost"
-              size="sm"
-              onClick={() => removeEntry(index)}
-              disabled={disabled || currentEntries.length <= 1}
-              className={removeButtonClassName}
-              title={removeButtonTitle}
-              aria-label={removeButtonAriaLabel}
-            >
-              <IconX size={14} />
-            </Button>
-          </div>
-        </Fragment>
-      ))}
-      {!hideAddButton && addLabel && (
-        <Button variant="secondary" size="sm" onClick={addEntry} disabled={disabled} className="align-start">
-          {addLabel}
-        </Button>
-      )}
-    </div>
-  );
-}
diff --git a/src/components/ui/modelInputListUtils.ts b/src/components/ui/modelInputListUtils.ts
deleted file mode 100644
index d7f8453..0000000
--- a/src/components/ui/modelInputListUtils.ts
+++ /dev/null
@@ -1,29 +0,0 @@
-import type { ModelAlias } from '@/types';
-
-export interface ModelEntry {
-  name: string;
-  alias: string;
-}
-
-export const modelsToEntries = (models?: ModelAlias[]): ModelEntry[] => {
-  if (!Array.isArray(models) || models.length === 0) {
-    return [{ name: '', alias: '' }];
-  }
-  return models.map((model) => ({
-    name: model.name || '',
-    alias: model.alias || ''
-  }));
-};
-
-export const entriesToModels = (entries: ModelEntry[]): ModelAlias[] => {
-  return entries
-    .filter((entry) => entry.name.trim())
-    .map((entry) => {
-      const model: ModelAlias = { name: entry.name.trim() };
-      const alias = entry.alias.trim();
-      if (alias && alias !== model.name) {
-        model.alias = alias;
-      }
-      return model;
-    });
-};