diff --git a/debian/libmonoboehm-2.0-1.symbols b/debian/libmonoboehm-2.0-1.symbols
index 2ee21efc8c..ba1cdfcd10 100644
--- a/debian/libmonoboehm-2.0-1.symbols
+++ b/debian/libmonoboehm-2.0-1.symbols
@@ -1828,7 +1828,6 @@ libmonoboehm-2.0.so.1 libmonoboehm-2.0-1 #MINVER#
  monoeg_g_filename_to_uri@Base 5.8.0.22
  monoeg_g_find_program_in_path@Base 5.8.0.22
  monoeg_g_fprintf@Base 5.8.0.22
- monoeg_g_fixed_buffer_custom_allocator@Base 6.13.0.1176
  monoeg_g_free@Base 5.8.0.22
  monoeg_g_get_charset@Base 5.8.0.22
  monoeg_g_get_current_dir@Base 5.8.0.22
@@ -2035,7 +2034,6 @@ libmonoboehm-2.0.so.1 libmonoboehm-2.0-1 #MINVER#
  monoeg_g_utf16_asciiz_equal@Base 5.14.0.78
  monoeg_g_utf16_to_ucs4@Base 5.8.0.22
  monoeg_g_utf16_to_utf8@Base 5.8.0.22
- monoeg_g_utf16_to_utf8_custom_alloc@Base 6.13.0.1176
  monoeg_g_utf8_get_char@Base 5.8.0.22
  monoeg_g_utf8_jump_table@Base 5.14.0.78
  monoeg_g_utf8_offset_to_pointer@Base 5.8.0.22
@@ -2045,7 +2043,6 @@ libmonoboehm-2.0.so.1 libmonoboehm-2.0-1 #MINVER#
  monoeg_g_utf8_strup@Base 5.8.0.22
  monoeg_g_utf8_to_ucs4_fast@Base 5.8.0.22
  monoeg_g_utf8_to_utf16@Base 5.8.0.22
- monoeg_g_utf8_to_utf16_custom_alloc@Base 6.13.0.1176
  monoeg_g_utf8_validate@Base 5.8.0.22
  monoeg_g_vasprintf@Base 5.8.0.22
  monoeg_g_win32_getlocale@Base 5.8.0.22
diff --git a/debian/libmonosgen-2.0-1.symbols b/debian/libmonosgen-2.0-1.symbols
index 923de85d64..e3a92444f1 100644
--- a/debian/libmonosgen-2.0-1.symbols
+++ b/debian/libmonosgen-2.0-1.symbols
@@ -1148,7 +1148,6 @@ libmonosgen-2.0.so.1 libmonosgen-2.0-1 #MINVER#
  monoeg_g_filename_to_uri@Base 5.8.0.22
  monoeg_g_find_program_in_path@Base 5.8.0.22
  monoeg_g_fprintf@Base 5.8.0.22
- monoeg_g_fixed_buffer_custom_allocator@Base 6.13.0.1176
  monoeg_g_free@Base 5.8.0.22
  monoeg_g_get_charset@Base 5.8.0.22
  monoeg_g_get_current_dir@Base 5.8.0.22
@@ -1355,7 +1354,6 @@ libmonosgen-2.0.so.1 libmonosgen-2.0-1 #MINVER#
  monoeg_g_utf16_asciiz_equal@Base 5.14.0.78
  monoeg_g_utf16_to_ucs4@Base 5.8.0.22
  monoeg_g_utf16_to_utf8@Base 5.8.0.22
- monoeg_g_utf16_to_utf8_custom_alloc@Base 6.13.0.1176
  monoeg_g_utf8_get_char@Base 5.8.0.22
  monoeg_g_utf8_jump_table@Base 5.14.0.78
  monoeg_g_utf8_offset_to_pointer@Base 5.8.0.22
@@ -1365,7 +1363,6 @@ libmonosgen-2.0.so.1 libmonosgen-2.0-1 #MINVER#
  monoeg_g_utf8_strup@Base 5.8.0.22
  monoeg_g_utf8_to_ucs4_fast@Base 5.8.0.22
  monoeg_g_utf8_to_utf16@Base 5.8.0.22
- monoeg_g_utf8_to_utf16_custom_alloc@Base 6.13.0.1176
  monoeg_g_utf8_validate@Base 5.8.0.22
  monoeg_g_vasprintf@Base 5.8.0.22
  monoeg_g_win32_getlocale@Base 5.8.0.22