diff --git a/av1/common/av1_rtcd_defs.pl b/av1/common/av1_rtcd_defs.pl
index adf4fb1..a09abeb 100644
--- a/av1/common/av1_rtcd_defs.pl
+++ b/av1/common/av1_rtcd_defs.pl
@@ -425,8 +425,9 @@
   add_proto qw/void av1_get_horver_correlation_full/, " const int16_t *diff, int stride, int w, int h, float *hcorr, float *vcorr";
   specialize qw/av1_get_horver_correlation_full sse4_1 avx2 neon/;
 
+  # TODO(any): av1_nn_predict sse3 optimization causes SIMD/c mismatch that needs to be fixed.
   add_proto qw/void av1_nn_predict/, " const float *input_nodes, const NN_CONFIG *const nn_config, int reduce_prec, float *const output";
-  specialize qw/av1_nn_predict sse3 neon/;
+  specialize qw/av1_nn_predict neon/;
 
   # CNN functions
   if (aom_config("CONFIG_REALTIME_ONLY") ne "yes") {
diff --git a/test/av1_nn_predict_test.cc b/test/av1_nn_predict_test.cc
index 04b44a2..fb0f9a4 100644
--- a/test/av1_nn_predict_test.cc
+++ b/test/av1_nn_predict_test.cc
@@ -211,8 +211,9 @@
 }
 
 #if HAVE_SSE3
-INSTANTIATE_TEST_SUITE_P(SSE3, NnPredictTest,
-                         ::testing::Values(av1_nn_predict_sse3));
+// TODO(any): enable sse3 optimization test after the SIMD/c mismatch is fixed.
+// INSTANTIATE_TEST_SUITE_P(SSE3, NnPredictTest,
+//                         ::testing::Values(av1_nn_predict_sse3));
 #endif
 
 #if HAVE_NEON