diff --git a/mobile/src/terminal/terminal-text-input-normalization.test.ts b/mobile/src/terminal/terminal-text-input-normalization.test.ts
index 29e15ea321b..c5213013e31 100644
--- a/mobile/src/terminal/terminal-text-input-normalization.test.ts
+++ b/mobile/src/terminal/terminal-text-input-normalization.test.ts
@@ -11,10 +11,4 @@ describe('normalizeTerminalTextInput', () => {
   it('keeps ASCII hyphens unchanged', () => {
     expect(normalizeTerminalTextInput('git checkout -- file')).toBe('git checkout -- file')
   })
-
-  it('preserves longer trailing hyphen runs when iOS re-collapses the controlled value', () => {
-    expect(normalizeTerminalTextInput('—', '--')).toBe('---')
-    expect(normalizeTerminalTextInput('—', '---')).toBe('----')
-    expect(normalizeTerminalTextInput('git checkout —', 'git checkout --')).toBe('git checkout ---')
-  })
 })
diff --git a/mobile/src/terminal/terminal-text-input-normalization.ts b/mobile/src/terminal/terminal-text-input-normalization.ts
index 70500421b3b..6316ce1bbaa 100644
--- a/mobile/src/terminal/terminal-text-input-normalization.ts
+++ b/mobile/src/terminal/terminal-text-input-normalization.ts
@@ -1,18 +1,9 @@
 // Why: iOS smart punctuation can rewrite two ASCII hyphens into a single
-// Unicode dash before React Native delivers terminal text input.
+// Unicode dash before React Native delivers terminal text input. Each dash maps
+// to exactly "--": recovering longer runs (#5222) needed the previous controlled
+// value written back into the field, and that write-back kills iOS dictation (#7925).
 const IOS_SMART_DASH_REPLACEMENT_PATTERN = /[\u2013\u2014]/g
-const IOS_SMART_DASH_REPLACEMENT_TEST = /[\u2013\u2014]/
 
-export function normalizeTerminalTextInput(text: string, previousText = ''): string {
-  const normalizedText = text.replace(IOS_SMART_DASH_REPLACEMENT_PATTERN, '--')
-  const previousTrailingHyphens = /-+$/.exec(previousText)?.[0] ?? ''
-  const previousPrefix = previousText.slice(0, previousText.length - previousTrailingHyphens.length)
-  const collapsedPreviousHyphenRun =
-    previousTrailingHyphens.length >= 2 &&
-    IOS_SMART_DASH_REPLACEMENT_TEST.test(text) &&
-    (text === `${previousPrefix}\u2013` || text === `${previousPrefix}\u2014`)
-  if (collapsedPreviousHyphenRun) {
-    return `${previousText}-`
-  }
-  return normalizedText
+export function normalizeTerminalTextInput(text: string): string {
+  return text.replace(IOS_SMART_DASH_REPLACEMENT_PATTERN, '--')
 }