diff --git a/apps/rust/libkata/arch/riscv32/crt0.S b/apps/rust/libkata/arch/riscv32/crt0.S
index 5dec66d..dfa421b 100644
--- a/apps/rust/libkata/arch/riscv32/crt0.S
+++ b/apps/rust/libkata/arch/riscv32/crt0.S
@@ -44,13 +44,6 @@ _start:
     la t1, KATA_SDK_PARAMS
     sw a3, 0(t1)
 
-    /* XXX included only for testing */
-    addi sp, sp, -16
-    sw a0, 12(sp)
-    sw a1, 8(sp)
-    sw a2, 4(sp)
-    sw a3, 0(sp)
-
     .option pop
 
     j main