diff --git a/apps/renderer.c b/apps/renderer.c
index 27d19d7adf7fae405240fe0a40ac6bbec2259ef2..5ad0f8eecc1f9dbd3eaadcf46b89b9831ed695fb 100644
--- a/apps/renderer.c
+++ b/apps/renderer.c
@@ -3514,20 +3514,8 @@ static void parseCombinedFormatInput(
         inConfig->numAmbisonicsBuses = 1;
         inConfig->ambisonicsBuses[0].audioConfig = audioConfig;
         inConfig->ambisonicsBuses[0].inputChannelIndex = inConfig->numAudioObjects;
-#ifdef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
         inConfig->ambisonicsBuses[0].gain_dB = 0.f;
-#else
-        inConfig->ambisonicsBuses[0].gain_dB = -6.f;
-#endif
         *configString += 4;
-
-#ifndef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
-        /* Modify input gain for objects too */
-        for ( int16_t i = 0; i < inConfig->numAudioObjects; ++i )
-        {
-            inConfig->audioObjects[i].gain_dB = -6.f;
-        }
-#endif
     }
     else if ( audioConfig == IVAS_AUDIO_CONFIG_MASA1 || audioConfig == IVAS_AUDIO_CONFIG_MASA2 )
     {
diff --git a/lib_com/options.h b/lib_com/options.h
index 3943d1577d70b42ad718a96f4e04e2c08bf2e25e..597cbad5ceff31c96190bb70f9b4c08f55e9fd16 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -173,9 +173,6 @@
 
 #define NONBE_1244_FIX_SWB_BWE_MEMORY                   /* VA: issue 1244: fix to SWB BWE memory in case of switching from FB coding - pending a review by Huawei */ 
 #define NONBE_1122_KEEP_EVS_MODE_UNCHANGED              /* FhG: Disables fix for issue 1122 in EVS mode to keep BE tests green. This switch should be removed once the 1122 fix is added to EVS via a CR.  */
-#define NONBE_FIX_TCX5_INTERLEAVING_FOR_FS_IN_UNEQUAL_FS_OUT /* FhG: apply correct TCX5 grouping/interleaving when input_fs != output_fs */
-#define NONBE_1339_FIXOSBA_EXT_LOUDNESS                 /* FhG: issue 1339: apply scaling with EXT output in OSBA high-BR mode */
-#define NONBE_1352_HARMONIZE_OSBA_LOUDNESS             /* FhG: do not scale OSBA inputs by 0.5 any more */
 #define NONBE_1359_FIX_IVASREND_OMASA_BINAURAL_LOUDNESS /* Nokia: issue 1339: Apply scaling to the object-part of OMASA for binaural rendering in IVAS_rend. */
 #define NONBE_1362_FIX_OMASA_TO_MASA1_RENDERING         /* Nokia: Fix OMASA to MASA1 rendering in IVAS_rend */
 
diff --git a/lib_dec/dec_tcx.c b/lib_dec/dec_tcx.c
index 0fb28ddb2d27b73558c6944576de9c1cf9112bee..23dd28556d66ffad608b8405ffabbd27ca3d4bb3 100644
--- a/lib_dec/dec_tcx.c
+++ b/lib_dec/dec_tcx.c
@@ -1506,11 +1506,7 @@ void decoder_tcx_tns(
             hTcxCfg->tcx_last_overlap_mode = hTcxCfg->tcx_curr_overlap_mode;
         }
 
-#ifdef NONBE_FIX_TCX5_INTERLEAVING_FOR_FS_IN_UNEQUAL_FS_OUT
         if ( ( hTcxCfg->fIsTNSAllowed && fUseTns != 0 && bfi != 1 && whitenedDomain ) || ( L_spec > L_frameTCX ) )
-#else
-        if ( ( hTcxCfg->fIsTNSAllowed && fUseTns != 0 && bfi != 1 ) || ( L_spec > L_frameTCX ) )
-#endif
         {
             L = L_spec;
         }
@@ -1552,11 +1548,7 @@ void decoder_tcx_tns(
 
         if ( ( L_frame == st->L_frame >> 1 ) && st->tcxonly && isTCX5 )
         {
-#ifdef NONBE_FIX_TCX5_INTERLEAVING_FOR_FS_IN_UNEQUAL_FS_OUT
             if ( st->element_mode == EVS_MONO || ( L_spec < L_frameTCX && !whitenedDomain ) ) /* todo: this is temporary to maintain EVS BE, this is a bug and should be fixed also for EVS (see issue 13) */
-#else
-            if ( st->element_mode == EVS_MONO || L_spec < L_frameTCX ) /* todo: this is temporary to maintain EVS BE, this is a bug and should be fixed also for EVS (see issue 13) */
-#endif
             {
                 tcx5TnsUngrouping( L_frameTCX >> 1, hTcxCfg->tnsConfig[0][0].iFilterBorders[0] >> 1, x, DEC );
             }
diff --git a/lib_dec/ivas_jbm_dec.c b/lib_dec/ivas_jbm_dec.c
index 317bb0057df58907fefe001a57e1ada5ddf8343d..3caeb116035b4b4d7845a2f5e7d1fabfc9209e30 100644
--- a/lib_dec/ivas_jbm_dec.c
+++ b/lib_dec/ivas_jbm_dec.c
@@ -1110,12 +1110,6 @@ ivas_error ivas_jbm_dec_render(
                 {
                     mvr2r( p_tc[n], p_output[n], *nSamplesRendered );
                 }
-#if defined( NONBE_1339_FIXOSBA_EXT_LOUDNESS ) && !defined( NONBE_1352_HARMONIZE_OSBA_LOUDNESS )
-                for ( n = 0; n < st_ivas->hDecoderConfig->nchan_out; n++ )
-                {
-                    v_multc( p_output[n], 0.5f, p_output[n], *nSamplesRendered );
-                }
-#endif
             }
             else
             {
@@ -1128,12 +1122,10 @@ ivas_error ivas_jbm_dec_render(
         else if ( st_ivas->renderer_type == RENDERER_BINAURAL_PARAMETRIC || st_ivas->renderer_type == RENDERER_BINAURAL_PARAMETRIC_ROOM )
         {
             ivas_dirac_dec_binaural_render( st_ivas, nSamplesAskedLocal, nSamplesRendered, nSamplesAvailableNext, nchan_remapped, p_output );
-#ifdef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
             for ( n = 0; n < st_ivas->hDecoderConfig->nchan_out; n++ )
             {
                 v_multc( p_output[n], 2.0f, p_output[n], *nSamplesRendered );
             }
-#endif
         }
         else
         {
@@ -1156,12 +1148,10 @@ ivas_error ivas_jbm_dec_render(
                     set_zero( p_output[n], *nSamplesRendered );
                 }
             }
-#ifdef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
             for ( n = 0; n < st_ivas->hDecoderConfig->nchan_out; n++ )
             {
                 v_multc( p_output[n], 2.0f, p_output[n], *nSamplesRendered );
             }
-#endif
         }
     }
     else if ( st_ivas->ivas_format == MC_FORMAT )
diff --git a/lib_dec/ivas_osba_dec.c b/lib_dec/ivas_osba_dec.c
index ab1b378ab6eac2daa36f7c9ce5989cbbca85f8ca..17d084520437bd598ce2faa86e7bf438de5e3296 100644
--- a/lib_dec/ivas_osba_dec.c
+++ b/lib_dec/ivas_osba_dec.c
@@ -183,21 +183,11 @@ ivas_error ivas_osba_dirac_td_binaural_jbm(
                 for ( b = 0; b < num_cldfb_bands; b++ )
                 {
                     st_ivas->hSplitBinRend->hMultiBinCldfbData->Cldfb_RealBuffer_Binaural[n][slot_idx_start + slot_idx][b] =
-#ifndef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
-                        ( 0.5f * st_ivas->hSplitBinRend->hMultiBinCldfbData->Cldfb_RealBuffer_Binaural[n][slot_idx_start + slot_idx][b] ) +
-                        ( 0.5f * Cldfb_RealBuffer[b] );
-#else
                         st_ivas->hSplitBinRend->hMultiBinCldfbData->Cldfb_RealBuffer_Binaural[n][slot_idx_start + slot_idx][b] +
                         Cldfb_RealBuffer[b];
-#endif
                     st_ivas->hSplitBinRend->hMultiBinCldfbData->Cldfb_ImagBuffer_Binaural[n][slot_idx_start + slot_idx][b] =
-#ifndef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
-                        ( 0.5f * st_ivas->hSplitBinRend->hMultiBinCldfbData->Cldfb_ImagBuffer_Binaural[n][slot_idx_start + slot_idx][b] ) +
-                        ( 0.5f * Cldfb_ImagBuffer[b] );
-#else
                         st_ivas->hSplitBinRend->hMultiBinCldfbData->Cldfb_ImagBuffer_Binaural[n][slot_idx_start + slot_idx][b] +
                         Cldfb_ImagBuffer[b];
-#endif
                 }
             }
         }
@@ -214,11 +204,7 @@ ivas_error ivas_osba_dirac_td_binaural_jbm(
             int16_t i;
             for ( i = 0; i < nSamplesAsked; i++ )
             {
-#ifndef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
-                output_f[n][i] = 0.5f * output_f[channel_offset + n][i] + 0.5f * p_sepobj[n][i];
-#else
                 output_f[n][i] = output_f[channel_offset + n][i] + p_sepobj[n][i];
-#endif
             }
         }
     }
@@ -307,10 +293,6 @@ ivas_error ivas_osba_render_sf(
         {
             v_add( p_output[n], p_output_ism[n], p_output[n], *nSamplesRendered );
         }
-
-#ifndef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
-        v_multc( p_output[n], 0.5f, p_output[n], *nSamplesRendered );
-#endif
     }
 
     return IVAS_ERR_OK;
@@ -353,12 +335,6 @@ void ivas_osba_stereo_add_channels(
         }
     }
 
-#ifndef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
-    for ( n = 0; n < nchan_out; n++ )
-    {
-        v_multc( output_f[n], 0.5f, output_f[n], n_samples_to_render );
-    }
-#endif
 
     return;
 }