diff --git a/flashchips.c b/flashchips.c
index 8f06019..8275ea6 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -20086,16 +20086,10 @@
 				.eraseblocks = { {4 * 1024, 512} },
 				.block_erase = spi_block_erase_20,
 			}, {
-				.eraseblocks = { {32 * 1024, 64} },
-				.block_erase = spi_block_erase_52,
-			}, {
 				.eraseblocks = { {64 * 1024, 32} },
 				.block_erase = spi_block_erase_d8,
 			}, {
 				.eraseblocks = { {2 * 1024 * 1024, 1} },
-				.block_erase = spi_block_erase_60,
-			}, {
-				.eraseblocks = { {2 * 1024 * 1024, 1} },
 				.block_erase = spi_block_erase_c7,
 			}
 		},
@@ -20161,16 +20155,10 @@
 				.eraseblocks = { {4 * 1024, 1024} },
 				.block_erase = spi_block_erase_20,
 			}, {
-				.eraseblocks = { {32 * 1024, 128} },
-				.block_erase = spi_block_erase_52,
-			}, {
 				.eraseblocks = { {64 * 1024, 64} },
 				.block_erase = spi_block_erase_d8,
 			}, {
 				.eraseblocks = { {4 * 1024 * 1024, 1} },
-				.block_erase = spi_block_erase_60,
-			}, {
-				.eraseblocks = { {4 * 1024 * 1024, 1} },
 				.block_erase = spi_block_erase_c7,
 			}
 		},
@@ -20236,16 +20224,10 @@
 				.eraseblocks = { {4 * 1024, 2048} },
 				.block_erase = spi_block_erase_20,
 			}, {
-				.eraseblocks = { {32 * 1024, 256} },
-				.block_erase = spi_block_erase_52,
-			}, {
 				.eraseblocks = { {64 * 1024, 128} },
 				.block_erase = spi_block_erase_d8,
 			}, {
 				.eraseblocks = { {8 * 1024 * 1024, 1} },
-				.block_erase = spi_block_erase_60,
-			}, {
-				.eraseblocks = { {8 * 1024 * 1024, 1} },
 				.block_erase = spi_block_erase_c7,
 			}
 		},