diff --git a/libavcodec/arm/dsputil_neon_s.S b/libavcodec/arm/dsputil_neon_s.S
index 71d09c6512ff688920f12da1dde0e698562e58c7..2fd751a8f89c6db4ae94fe5f5ee125b7fd5aaf0a 100644
--- a/libavcodec/arm/dsputil_neon_s.S
+++ b/libavcodec/arm/dsputil_neon_s.S
@@ -801,7 +801,6 @@ NOVFP   ldr             lr,  [sp, #16]
 function ff_vorbis_inverse_coupling_neon, export=1
         vmov.i32        q10, #1<<31
         subs            r2,  r2,  #4
-        tst             r2,  #4
         mov             r3,  r0
         mov             r12, r1
         beq             3f