diff --git a/lib_com/options.h b/lib_com/options.h
index c288b354c5b255858c13f1825a3799a1e1b0f72b..b27b5da4c3e31b39f5baa95fc8ffc2c1b225b493 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -89,6 +89,7 @@
 #define FIX_2480_HARM_TONALMDCT                         /* FhG: basop issue 2480: Harmonize TonalMDCTConceal_Detect_fx() and TonalMDCTConceal_Detect_ivas_fx() */
 #define FIX_2479_HARM_PITCH_GAIN                        /* FhG: basop issue 2479: Harmonize tcx_ltp_pitch_search_*(), tcx_ltp_find_gain_*fx() */
 #define HARMONIZE_2481_EXTEND_SHRINK                    /* FhG: basop issue 2481: Harmonize extend_frm_*fx() and shrink_frm_*fx() */
+#define FIX_FLOAT_ISSUE_1546_DEAD_CODE                  /* FhG: remove dead code reported in the issue*/
 
 /* #################### End BE switches ################################## */
 
diff --git a/lib_enc/swb_bwe_enc_fx.c b/lib_enc/swb_bwe_enc_fx.c
index 3c099f6aa4e0ea585813abef9609717ac9374b60..b776ca92cdd6130a1089a6def86ebb76c15c3ebc 100644
--- a/lib_enc/swb_bwe_enc_fx.c
+++ b/lib_enc/swb_bwe_enc_fx.c
@@ -217,7 +217,9 @@ void swb_bwe_enc_fx(
     Word16 Qenc_synth_hf, Qenc_synth;
 
     FD_BWE_ENC_HANDLE hBWE_FD = st_fx->hBWE_FD;
+#ifndef FIX_FLOAT_ISSUE_1546_DEAD_CODE
     TD_BWE_ENC_HANDLE hBWE_TD = st_fx->hBWE_TD;
+#endif
 
     IF( st_fx->element_mode == EVS_MONO )
     {
@@ -268,7 +270,9 @@ void swb_bwe_enc_fx(
             IF( EQ_16( st_fx->element_mode, IVAS_CPE_DFT ) )
             {
                 Copy( old_input_12k8_fx + L_INP_MEM - Sample_Delay_LP, hBWE_FD->old_input_lp_fx, Sample_Delay_LP );
+#ifndef FIX_FLOAT_ISSUE_1546_DEAD_CODE
                 Copy( hBWE_TD->old_speech_shb_fx + L_LOOK_16k + L_SUBFR16k - Sample_Delay_HP, new_input_hp_fx, Sample_Delay_HP );
+#endif
             }
             Copy( hBWE_FD->old_input_lp_fx, old_input_lp_fx, Sample_Delay_LP );
             Copy( old_input_12k8_fx + L_INP_MEM, &old_input_lp_fx[Sample_Delay_LP], L_FRAME - Sample_Delay_LP );
@@ -296,7 +300,9 @@ void swb_bwe_enc_fx(
             IF( EQ_16( st_fx->element_mode, IVAS_CPE_DFT ) )
             {
                 Copy( old_input_16k_fx + L_INP_MEM - Sample_Delay_LP, hBWE_FD->old_input_lp_fx, Sample_Delay_LP );
+#ifndef FIX_FLOAT_ISSUE_1546_DEAD_CODE
                 Copy( hBWE_TD->old_speech_shb_fx + L_LOOK_16k + L_SUBFR16k - Sample_Delay_HP, new_input_hp_fx, Sample_Delay_HP );
+#endif
             }
 
             Copy( hBWE_FD->old_input_lp_fx, old_input_lp_fx, Sample_Delay_LP );