diff --git a/pdfplumber/table.py b/pdfplumber/table.py
index f189742e..ebb09a93 100644
--- a/pdfplumber/table.py
+++ b/pdfplumber/table.py
@@ -395,21 +395,15 @@ def char_in_bbox(char, bbox):
             row_chars = [char for char in chars if char_in_bbox(char, row.bbox)]
 
             for cell in row.cells:
-                if cell is None:
-                    cell_text = None
-                else:
-                    cell_chars = [
-                        char for char in row_chars if char_in_bbox(char, cell)
-                    ]
-
-                    if len(cell_chars):
-                        cell_text = utils.extract_text(
-                            cell_chars,
-                            x_tolerance=x_tolerance,
-                            y_tolerance=y_tolerance,
-                        ).strip()
-                    else:
-                        cell_text = ""
+                cell_chars = [char for char in row_chars if char_in_bbox(char, cell)]
+
+                cell_text = ""
+                if len(cell_chars):
+                    cell_text = utils.extract_text(
+                        cell_chars,
+                        x_tolerance=x_tolerance,
+                        y_tolerance=y_tolerance,
+                    ).strip()
                 arr.append(cell_text)
             table_arr.append(arr)