diff --git a/README.md b/README.md
index ab452b6..7f4ed45 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,6 @@ Globally search and resume [Claude Code](https://claude.ai/claude-code) conversa
 - Delete conversations with confirmation prompt
 - Prune bloated conversations losslessly (`ccs prune`)
 - Pass flags through to `claude` (e.g., `--plan`)
-- Mouse wheel scrolling support
 
 ## Installation
 
@@ -82,7 +81,6 @@ ccs buyer -- --plan
 - `Ctrl+D` - Delete selected conversation (with confirmation)
 - `Ctrl+R` - Prune selected conversation - shrink it losslessly (with confirmation)
 - `Ctrl+J/K` - Scroll preview
-- `Mouse wheel` - Scroll list or preview (context-aware)
 - `Ctrl+U` - Clear search
 - `Esc` / `Ctrl+C` - Quit
 
diff --git a/main.go b/main.go
index 858b512..cbc546f 100644
--- a/main.go
+++ b/main.go
@@ -82,11 +82,10 @@ type model struct {
 	previewScroll  int
 	width          int
 	height         int
-	listHeight     int // Calculated list height for mouse detection
+	listHeight     int // Calculated visible list height
 	selected       *Conversation
 	quitting       bool
 	claudeFlags    []string
-	mouseInPreview bool // Track if mouse is in preview area
 	confirmDelete  bool   // Are we in delete confirmation mode?
 	deleteIndex    int    // Index of item to delete
 	confirmPrune   bool   // Are we in prune confirmation mode?
@@ -144,7 +143,7 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	case tea.WindowSizeMsg:
 		m.width = msg.Width
 		m.height = msg.Height
-		// Calculate list height for mouse detection
+		// Calculate visible list height
 		m.listHeight = m.height * 30 / 100
 		if m.listHeight < 3 {
 			m.listHeight = 3
@@ -152,35 +151,6 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		// Clear so a shrink doesn't leave wider stale rows behind.
 		return m, tea.ClearScreen
 
-	case tea.MouseMsg:
-		// Determine if mouse is in preview area (below list + separator)
-		listAreaHeight := 2 + m.listHeight // search line + separator + list
-		m.mouseInPreview = msg.Y > listAreaHeight
-
-		switch msg.Button {
-		case tea.MouseButtonWheelUp:
-			if m.mouseInPreview {
-				m.previewScroll = max(0, m.previewScroll-3)
-			} else {
-				if m.cursor > 0 {
-					m.cursor--
-					m.previewScroll = 0
-				}
-			}
-			return m, nil
-		case tea.MouseButtonWheelDown:
-			if m.mouseInPreview {
-				m.previewScroll = min(m.previewScroll+3, m.maxPreviewScroll())
-			} else {
-				if m.cursor < len(m.filtered)-1 {
-					m.cursor++
-					m.previewScroll = 0
-				}
-			}
-			return m, nil
-		}
-		return m, nil
-
 	case tea.KeyMsg:
 		// Handle delete confirmation mode
 		if m.confirmDelete {
@@ -1314,7 +1284,6 @@ Key bindings:
   Ctrl+D          Delete conversation (with confirmation)
   Ctrl+R          Prune conversation - shrink it losslessly (with confirmation)
   Ctrl+J/K        Scroll preview
-  Mouse wheel     Scroll list or preview (based on position)
   Ctrl+U          Clear search
   Esc, Ctrl+C     Quit
 
@@ -1432,9 +1401,12 @@ func main() {
 		os.Exit(1)
 	}
 
-	// Run TUI
+	// Run TUI. Mouse reporting is intentionally NOT enabled: under a heavy
+	// frame the terminal emits mouse-wheel reports faster than bubbletea reads
+	// them, and the fragmented sequences leak into the search box as text.
+	// Scrolling is keyboard-only (arrows / Ctrl+J/K / PgUp/PgDn).
 	m := initialModel(items, filterQuery, claudeFlags)
-	p := tea.NewProgram(m, tea.WithAltScreen(), tea.WithMouseCellMotion())
+	p := tea.NewProgram(m, tea.WithAltScreen())
 
 	finalModel, err := p.Run()
 	if err != nil {
diff --git a/main_test.go b/main_test.go
index b9850f1..4cd34b5 100644
--- a/main_test.go
+++ b/main_test.go
@@ -1096,65 +1096,11 @@ func TestRenderPreviewLongMultibyteMessageStaysValidUTF8(t *testing.T) {
 		t.Error("preview of a long multibyte message produced invalid UTF-8")
 	}
 }
-
-func TestUpdateMouseScroll(t *testing.T) {
-	// Give each conversation enough messages that the preview is scrollable.
-	msgs := make([]Message, 10)
-	for i := range msgs {
-		msgs[i] = Message{Role: "user", Text: "message text line", Ts: "2024-01-15T10:00:00Z"}
-	}
-	items := []listItem{
-		{conv: Conversation{SessionID: "test-1", Messages: msgs}, searchText: "first"},
-		{conv: Conversation{SessionID: "test-2", Messages: msgs}, searchText: "second"},
-		{conv: Conversation{SessionID: "test-3", Messages: msgs}, searchText: "third"},
-	}
-
-	m := initialModel(items, "", nil)
-
-	// Set window size first to initialize mouse tracking
-	result, _ := m.Update(tea.WindowSizeMsg{Width: 100, Height: 30})
-	m = result.(model)
-
-	// Mouse wheel up in list area (Y=5, which should be in list)
-	m.mouseInPreview = false // Explicitly set for test
-	result, _ = m.Update(tea.MouseMsg{Button: tea.MouseButtonWheelUp, Y: 5})
-	m = result.(model)
-	// Should not move cursor from 0
-	if m.cursor != 0 {
-		t.Errorf("wheel up at top should keep cursor at 0, got %d", m.cursor)
-	}
-
-	// Move to second item
-	result, _ = m.Update(tea.KeyMsg{Type: tea.KeyDown})
-	m = result.(model)
-	if m.cursor != 1 {
-		t.Errorf("should be at cursor 1, got %d", m.cursor)
-	}
-
-	// Mouse wheel down in list area should move cursor forward
-	m.mouseInPreview = false // Ensure we're scrolling list not preview
-	result, _ = m.Update(tea.MouseMsg{Button: tea.MouseButtonWheelDown, Y: 5})
-	m = result.(model)
-	if m.cursor != 2 {
-		t.Errorf("wheel down should move to cursor 2, got %d", m.cursor)
-	}
-
-	// Mouse wheel in preview area
-	m.previewScroll = 0
-	m.mouseInPreview = true
-	result, _ = m.Update(tea.MouseMsg{Button: tea.MouseButtonWheelDown, Y: 20})
-	m = result.(model)
-	if m.previewScroll != 3 {
-		t.Errorf("wheel down in preview should scroll preview, got %d", m.previewScroll)
-	}
-}
-
 func TestPreviewScrollClampedToContent(t *testing.T) {
 	conv := Conversation{SessionID: "s1", Messages: []Message{
 		{Role: "user", Text: "only message", Ts: "2024-01-15T10:00:00Z"},
 	}}
 	m := initialModel([]listItem{{conv: conv}}, "", nil)
-	m.mouseInPreview = true
 
 	maxScroll := m.maxPreviewScroll()