diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index 19fd1b398..bacadb0ea 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,7 @@
+2013-08-19  Richard Sandiford  <rdsandiford@googlemail.com>
+
+	* mips.h (M_DEXT, M_DINS): Delete.
+
 2013-08-19  Richard Sandiford  <rdsandiford@googlemail.com>
 
 	* mips.h (OP_OPTIONAL_REG): New mips_operand_type.
diff --git a/include/opcode/mips.h b/include/opcode/mips.h
index 6860fa794..c768cf255 100644
--- a/include/opcode/mips.h
+++ b/include/opcode/mips.h
@@ -1354,8 +1354,6 @@ enum
   M_DDIV_3I,
   M_DDIVU_3,
   M_DDIVU_3I,
-  M_DEXT,
-  M_DINS,
   M_DIV_3,
   M_DIV_3I,
   M_DIVU_3,