diff --git a/celt/x86/celt_lpc_sse.h b/celt/x86/celt_lpc_sse.h
index 7d1ecf7533282dbc782fe5be54593f4e235a40d5..90e69ecf633a60ce575aac00299f034163274b68 100644
--- a/celt/x86/celt_lpc_sse.h
+++ b/celt/x86/celt_lpc_sse.h
@@ -33,7 +33,6 @@
 #endif
 
 #if defined(OPUS_X86_MAY_HAVE_SSE4_1) && defined(FIXED_POINT)
-#define OVERRIDE_CELT_FIR
 
 void celt_fir_sse4_1(
          const opus_val16 *x,
@@ -44,10 +43,11 @@ void celt_fir_sse4_1(
          int arch);
 
 #if defined(OPUS_X86_PRESUME_SSE4_1)
+#define OVERRIDE_CELT_FIR
 #define celt_fir(x, num, y, N, ord, arch) \
     ((void)arch, celt_fir_sse4_1(x, num, y, N, ord, arch))
 
-#else
+#elif defined(OPUS_HAVE_RTCD)
 
 extern void (*const CELT_FIR_IMPL[OPUS_ARCHMASK + 1])(
          const opus_val16 *x,
@@ -57,6 +57,7 @@ extern void (*const CELT_FIR_IMPL[OPUS_ARCHMASK + 1])(
          int ord,
          int arch);
 
+#define OVERRIDE_CELT_FIR
 #  define celt_fir(x, num, y, N, ord, arch) \
     ((*CELT_FIR_IMPL[(arch) & OPUS_ARCHMASK])(x, num, y, N, ord, arch))
 
diff --git a/celt/x86/pitch_sse.h b/celt/x86/pitch_sse.h
index f7a014b6e03a1ee1fc35f7fd1fdcd5c7117d1304..964aef50dbebdec4ef98bcb02e7590767f426db0 100644
--- a/celt/x86/pitch_sse.h
+++ b/celt/x86/pitch_sse.h
@@ -63,7 +63,7 @@ void xcorr_kernel_sse(
 #define xcorr_kernel(x, y, sum, len, arch) \
     ((void)arch, xcorr_kernel_sse(x, y, sum, len))
 
-#elif (defined(OPUS_X86_MAY_HAVE_SSE4_1) && defined(FIXED_POINT)) || (defined(OPUS_X86_MAY_HAVE_SSE) && !defined(FIXED_POINT))
+#elif defined(OPUS_HAVE_RTCD) &&  ((defined(OPUS_X86_MAY_HAVE_SSE4_1) && defined(FIXED_POINT)) || (defined(OPUS_X86_MAY_HAVE_SSE) && !defined(FIXED_POINT)))
 
 extern void (*const XCORR_KERNEL_IMPL[OPUS_ARCHMASK + 1])(
                     const opus_val16 *x,
@@ -115,8 +115,8 @@ opus_val32 celt_inner_prod_sse(
     ((void)arch, celt_inner_prod_sse(x, y, N))
 
 
-#elif ((defined(OPUS_X86_MAY_HAVE_SSE4_1) || defined(OPUS_X86_MAY_HAVE_SSE2)) && defined(FIXED_POINT)) || \
-    (defined(OPUS_X86_MAY_HAVE_SSE) && !defined(FIXED_POINT))
+#elif defined(OPUS_HAVE_RTCD) && (((defined(OPUS_X86_MAY_HAVE_SSE4_1) || defined(OPUS_X86_MAY_HAVE_SSE2)) && defined(FIXED_POINT)) || \
+    (defined(OPUS_X86_MAY_HAVE_SSE) && !defined(FIXED_POINT)))
 
 extern opus_val32 (*const CELT_INNER_PROD_IMPL[OPUS_ARCHMASK + 1])(
                     const opus_val16 *x,
diff --git a/tests/random_config.sh b/tests/random_config.sh
index fe68f5e7a5d72a1bfba02e965d4d92d904734dda..e5d728335882beb8c8850522fe0cc31fb47ae942 100755
--- a/tests/random_config.sh
+++ b/tests/random_config.sh
@@ -51,8 +51,8 @@ arithmetic=`echo -e "\n--enable-fixed-point\n--enable-fixed-point --enable-fixed
 
 custom=`echo -e "\n--enable-custom-modes" | shuf -n1`
 
-#asm=`echo -e "\n--disable-asm\n--disable-rtcd\n--disable-intrinsics" | shuf -n1`
-asm=`echo -e "\n--disable-asm\n--disable-intrinsics" | shuf -n1`
+asm=`echo -e "\n--disable-asm\n--disable-rtcd\n--disable-intrinsics" | shuf -n1`
+#asm=`echo -e "\n--disable-asm\n--disable-intrinsics" | shuf -n1`
 
 assert=`echo -e "\n--enable-assertions" | shuf -n1`
 harden=`echo -e "\n--enable-hardening" | shuf -n1`