diff --git a/examples/C/fir/fir.S b/examples/C/fir/fir.S
deleted file mode 100644
index a96339ba7..000000000
--- a/examples/C/fir/fir.S
+++ /dev/null
@@ -1,35 +0,0 @@
-// fir.s
-// mmasserfrye@hmc.edu 30 January 2022
-// FIR filter
-
-// a0 = N, a1 = M, a2 = &X, a3 = &c, a4 = &Y
-
-.global fir
-
-fir:
-    li t0, 0          # n = 0 = t0
-    slli t6, a0, 3    # N*8
-    slli t5, a1, 3    # M*8
-    addi t4, t5, -8   # (M-1)*8
-for1:
-    bge t0, t6, end   # exit outer for if n >= N
-    fmv.d.x f3, zero  # sum = 0 = f3
-    li t2, 0          # i = 0 = t2
-    add t1, t4, t0    # [(M-1) + n]*8
-for2:
-    bge t2, t5, for1end  # exit inner for if i >= M
-    sub t3, t1, t2    # [(M-1) + n - i]*8  
-    add t3, t3, a2    # t3 = offset + &X
-    fld f0, 0(t3)     # X[n-i+(M-1)] 
-    add t3, t2, a3    # t3 = offset + &c
-    fld f1, 0(t3)     # c[i] 
-    fmadd.d f3, f0, f1, f3  # sum += c[i]*X[n-i+(M-1)]
-    addi t2, t2, 8    # i++
-    j for2
-for1end:
-    add t3, t0, a4    # t3 = offset + &Y
-    fsd f3, 0(t3)     # Y[n] = sum
-    addi t0, t0, 8    # n++
-    j for1
-end:
-    ret
\ No newline at end of file