diff --git a/lib_com/options.h b/lib_com/options.h
index 1d498d32d22e67e3ae3c85b8cce3ec589fba08fd..050f0ef4d77a249c5b70f8bf3f0b4e5fe0f1f2c5 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -94,6 +94,7 @@
 #define FIX_FLOAT_1539_G192_FORMAT_SWITCH               /* VA/Nokia: reintroduce format switching for g192 bitstreams */
 #define HARMONIZE_2595_reconfig_decoder_LPD             /* FhG: Harmonize reconfig_decoder_LPD with its ivas derivate */
 #define HARMONIZE_2596_SetModeIndex                     /* FhG: Harmonize SetModeIndex with its ivas derivate */
+#define FIX_2346_DUPLICATED_IGF_FUNCTIONS_3             /* FhG: part 3 of basop issue 2346: Remove duplicate reconfig function */
 
 /* #################### End BE switches ################################## */
 
diff --git a/lib_com/prot_fx.h b/lib_com/prot_fx.h
index 056cba33b9d37452d383c03c0f6d70182e65eb40..2c8523da1e728a7e7ecba4444311a00bf9db1c05 100644
--- a/lib_com/prot_fx.h
+++ b/lib_com/prot_fx.h
@@ -10114,6 +10114,7 @@ Word16 is_EVS_bitrate(
     Word16 *Opt_AMR_WB             /* i  : AMR-WB IO flag     */
 );
 
+#ifndef FIX_2346_DUPLICATED_IGF_FUNCTIONS_3
 ivas_error IGF_Reconfig(
     IGF_ENC_INSTANCE_HANDLE *hIGFEnc, /* i/o: instance handle of IGF Encoder  */
     const Word16 igf,                 /* i  : IGF on/off                      */
@@ -10125,3 +10126,5 @@ ivas_error IGF_Reconfig(
 );
 
 #endif
+
+#endif
diff --git a/lib_enc/igf_enc_fx.c b/lib_enc/igf_enc_fx.c
index 27c3a7f2fc2e4bc34f27d5dc3e3fa9f733b531bd..39cf655d3a23b0ae5cf39d66d2a33c49d66d474d 100644
--- a/lib_enc/igf_enc_fx.c
+++ b/lib_enc/igf_enc_fx.c
@@ -3524,7 +3524,7 @@ void IGFSaveSpectrumForITF_ivas_fx(
     return;
 }
 
-
+#ifndef FIX_2346_DUPLICATED_IGF_FUNCTIONS_3
 /*-------------------------------------------------------------------*
  * IGF_Reconfig()
  *
@@ -3569,3 +3569,4 @@ ivas_error IGF_Reconfig(
 
     return error;
 }
+#endif
diff --git a/lib_enc/ivas_corecoder_enc_reconfig_fx.c b/lib_enc/ivas_corecoder_enc_reconfig_fx.c
index 9c845eb400fa2b3c81e21df8ec80810198f2917a..945af196a7c2656d272adebe9fb03cb5cb9a63a7 100644
--- a/lib_enc/ivas_corecoder_enc_reconfig_fx.c
+++ b/lib_enc/ivas_corecoder_enc_reconfig_fx.c
@@ -681,8 +681,11 @@ ivas_error ivas_corecoder_enc_reconfig_fx(
                                                                              st_ivas->hCPE[0]->hCoreCoder[n]->bwidth,
                                                                              st_ivas->hCPE[0]->hCoreCoder[n]->rf_mode ); /* Q0 */
                     move16();
-
+#ifndef FIX_2346_DUPLICATED_IGF_FUNCTIONS_3
                     IF( ( error = IGF_Reconfig( &st_ivas->hCPE[0]->hCoreCoder[n]->hIGFEnc, st_ivas->hCPE[0]->hCoreCoder[n]->igf, 1, st_ivas->hCPE[0]->element_brate, st_ivas->hCPE[0]->hCoreCoder[n]->bwidth, st_ivas->hCPE[0]->hCoreCoder[n]->element_mode, st_ivas->hCPE[0]->hCoreCoder[n]->rf_mode ) ) != IVAS_ERR_OK )
+#else
+                    IF( ( error = IGF_Reconfig_fx( &st_ivas->hCPE[0]->hCoreCoder[n]->hIGFEnc, st_ivas->hCPE[0]->hCoreCoder[n]->igf, 1, st_ivas->hCPE[0]->element_brate, st_ivas->hCPE[0]->hCoreCoder[n]->bwidth, st_ivas->hCPE[0]->hCoreCoder[n]->element_mode, st_ivas->hCPE[0]->hCoreCoder[n]->rf_mode ) ) != IVAS_ERR_OK )
+#endif
                     {
                         return error;
                     }
@@ -744,8 +747,11 @@ ivas_error ivas_corecoder_enc_reconfig_fx(
                                                                          st_ivas->hCPE[0]->hCoreCoder[n]->rf_mode ); /* Q0 */
 
                 move16();
-
+#ifndef FIX_2346_DUPLICATED_IGF_FUNCTIONS_3
                 IF( ( error = IGF_Reconfig( &st_ivas->hCPE[0]->hCoreCoder[n]->hIGFEnc, st_ivas->hCPE[0]->hCoreCoder[n]->igf, 1, st_ivas->hCPE[0]->element_brate, st_ivas->hCPE[0]->hCoreCoder[n]->bwidth, st_ivas->hCPE[0]->hCoreCoder[n]->element_mode, st_ivas->hCPE[0]->hCoreCoder[n]->rf_mode ) ) != IVAS_ERR_OK )
+#else
+                IF( ( error = IGF_Reconfig_fx( &st_ivas->hCPE[0]->hCoreCoder[n]->hIGFEnc, st_ivas->hCPE[0]->hCoreCoder[n]->igf, 1, st_ivas->hCPE[0]->element_brate, st_ivas->hCPE[0]->hCoreCoder[n]->bwidth, st_ivas->hCPE[0]->hCoreCoder[n]->element_mode, st_ivas->hCPE[0]->hCoreCoder[n]->rf_mode ) ) != IVAS_ERR_OK )
+#endif
                 {
                     return error;
                 }
diff --git a/lib_enc/ivas_mct_enc_fx.c b/lib_enc/ivas_mct_enc_fx.c
index 81a8f7942605fbabbe6aa7370ecee204587ed483..adc64d70cdd3d4260f10f53b06305e121c9556fe 100644
--- a/lib_enc/ivas_mct_enc_fx.c
+++ b/lib_enc/ivas_mct_enc_fx.c
@@ -752,8 +752,11 @@ ivas_error mct_enc_reconfigure_fx(
                     move16();
                     st->igf = getIgfPresent_fx( st->element_mode, L_mult0( st->bits_frame_nominal, FRAMES_PER_SEC ), st->bwidth, st->rf_mode );
                     move16();
-
+#ifndef FIX_2346_DUPLICATED_IGF_FUNCTIONS_3
                     IF( ( error = IGF_Reconfig( &st->hIGFEnc, st->igf, 1, st_ivas->hCPE[cpe_id]->element_brate, st->bwidth, st->element_mode, st->rf_mode ) ) != IVAS_ERR_OK )
+#else
+                    IF( ( error = IGF_Reconfig_fx( &st->hIGFEnc, st->igf, 1, st_ivas->hCPE[cpe_id]->element_brate, st->bwidth, st->element_mode, st->rf_mode ) ) != IVAS_ERR_OK )
+#endif
                     {
                         return error;
                     }