diff --git a/testbench/tests.vh b/testbench/tests.vh
index 8dfd69415..1499c169a 100644
--- a/testbench/tests.vh
+++ b/testbench/tests.vh
@@ -1737,7 +1737,6 @@ string arch64zcb[] = '{
       "rv64i_m/C/src/clbu-01.S",
       "rv64i_m/C/src/clh-01.S",
       "rv64i_m/C/src/clhu-01.S",
-      "rv64i_m/C/src/clbu-01.S",
       "rv64i_m/C/src/csb-01.S",
       "rv64i_m/C/src/csh-01.S",
       "rv64i_m/C/src/csext.b-01.S",
@@ -1754,7 +1753,6 @@ string arch32zcb[] = '{
       "rv32i_m/C/src/clbu-01.S",
       "rv32i_m/C/src/clh-01.S",
       "rv32i_m/C/src/clhu-01.S",
-      "rv32i_m/C/src/clbu-01.S",
       "rv32i_m/C/src/csb-01.S",
       "rv32i_m/C/src/csh-01.S",
       "rv32i_m/C/src/csext.b-01.S",