diff --git a/opcodes-rv64zba b/rv64_zba
similarity index 89%
rename from opcodes-rv64zba
rename to rv64_zba
index 28a1cfc7..52d9dcd9 100644
--- a/opcodes-rv64zba
+++ b/rv64_zba
@@ -1,9 +1,5 @@
-# RV64Zba additions to RV32Zba
-
-slli.uw    rd rs1 31..26=2 shamt 14..12=1 6..2=0x06 1..0=3
-
 add.uw     rd rs1 rs2 31..25=4  14..12=0 6..2=0x0E 1..0=3
-
 sh1add.uw  rd rs1 rs2 31..25=16 14..12=2 6..2=0x0E 1..0=3
 sh2add.uw  rd rs1 rs2 31..25=16 14..12=4 6..2=0x0E 1..0=3
 sh3add.uw  rd rs1 rs2 31..25=16 14..12=6 6..2=0x0E 1..0=3
+slli.uw    rd rs1 31..26=2 shamt 14..12=1 6..2=0x06 1..0=3
diff --git a/opcodes-rv32zba b/rv_zba
similarity index 100%
rename from opcodes-rv32zba
rename to rv_zba