diff --git a/kitty/data-types.h b/kitty/data-types.h
index 65d5a60f3..b75dac81b 100644
--- a/kitty/data-types.h
+++ b/kitty/data-types.h
@@ -253,17 +253,6 @@ typedef struct {FONTS_DATA_HEAD} *FONTS_DATA_HANDLE;
 
 #define clear_sprite_position(cell) (cell).sprite_x = 0; (cell).sprite_y = 0; (cell).sprite_z = 0;
 
-#define left_shift_line(line, at, num) { \
-    for(index_type __i__ = (at); __i__ < (line)->xnum - (num); __i__++) { \
-        COPY_CELL(line, __i__ + (num), line, __i__) \
-    } \
-    if ((((line)->gpu_cells[(at)].attrs) & WIDTH_MASK) != 1) { \
-        (line)->cpu_cells[(at)].ch = BLANK_CHAR; \
-        (line)->gpu_cells[(at)].attrs = BLANK_CHAR ? 1 : 0; \
-        clear_sprite_position((line)->gpu_cells[(at)]); \
-    }\
-}
-
 #define ensure_space_for(base, array, type, num, capacity, initial_cap, zero_mem) \
     if ((base)->capacity < num) { \
         size_t _newcap = MAX((size_t)initial_cap, MAX(2 * (base)->capacity, (size_t)num)); \
diff --git a/kitty/lineops.h b/kitty/lineops.h
index 81fc554dd..48e2179df 100644
--- a/kitty/lineops.h
+++ b/kitty/lineops.h
@@ -54,6 +54,18 @@ line_reset_cells(Line *line, index_type start, index_type num, GPUCell *gpu_cell
     memcpy(line->cpu_cells + start, cpu_cells + start, sizeof(CPUCell) * num);
 }
 
+static inline void
+left_shift_line(Line *line, index_type at, index_type num) {
+    for (index_type i = at; i < line->xnum - num; i++) {
+        COPY_CELL(line, i + num, line, i);
+    }
+    if (at < line->xnum && ((line->gpu_cells[at].attrs) & WIDTH_MASK) != 1) {
+        line->cpu_cells[at].ch = BLANK_CHAR;
+        line->gpu_cells[at].attrs = BLANK_CHAR ? 1 : 0;
+        clear_sprite_position(line->gpu_cells[at]);
+    }
+}
+
 typedef Line*(get_line_func)(void *, int);
 void line_clear_text(Line *self, unsigned int at, unsigned int num, char_type ch);
 void line_apply_cursor(Line *self, Cursor *cursor, unsigned int at, unsigned int num, bool clear_char);