diff --git a/libavcodec/aacdec_template.c b/libavcodec/aacdec_template.c
index 444dc4fa9d..2385ea58b0 100644
--- a/libavcodec/aacdec_template.c
+++ b/libavcodec/aacdec_template.c
@@ -1159,8 +1159,8 @@ static av_cold void aac_static_table_init(void)
                     352);
 
     // window initialization
-    AAC_RENAME(ff_kbd_window_init)(AAC_RENAME(aac_kbd_long_960), 4.0, 960);
-    AAC_RENAME(ff_kbd_window_init)(AAC_RENAME(aac_kbd_short_120), 6.0, 120);
+    AAC_RENAME(avpriv_kbd_window_init)(AAC_RENAME(aac_kbd_long_960), 4.0, 960);
+    AAC_RENAME(avpriv_kbd_window_init)(AAC_RENAME(aac_kbd_short_120), 6.0, 120);
 
 #if !USE_FIXED
     AAC_RENAME(ff_sine_window_init)(AAC_RENAME(sine_960), 960);
@@ -1168,8 +1168,8 @@ static av_cold void aac_static_table_init(void)
     AAC_RENAME(ff_init_ff_sine_windows)(9);
     ff_aac_float_common_init();
 #else
-    AAC_RENAME(ff_kbd_window_init)(AAC_RENAME2(aac_kbd_long_1024), 4.0, 1024);
-    AAC_RENAME(ff_kbd_window_init)(AAC_RENAME2(aac_kbd_short_128), 6.0, 128);
+    AAC_RENAME(avpriv_kbd_window_init)(AAC_RENAME2(aac_kbd_long_1024), 4.0, 1024);
+    AAC_RENAME(avpriv_kbd_window_init)(AAC_RENAME2(aac_kbd_short_128), 6.0, 128);
     init_sine_windows_fixed();
 #endif
 
diff --git a/libavcodec/aactab.c b/libavcodec/aactab.c
index 0f4941d5df..d0006eac35 100644
--- a/libavcodec/aactab.c
+++ b/libavcodec/aactab.c
@@ -48,8 +48,8 @@ DECLARE_ALIGNED(32, float,  ff_aac_kbd_short_128)[128];
 
 static av_cold void aac_float_common_init(void)
 {
-    ff_kbd_window_init(ff_aac_kbd_long_1024, 4.0, 1024);
-    ff_kbd_window_init(ff_aac_kbd_short_128, 6.0, 128);
+    avpriv_kbd_window_init(ff_aac_kbd_long_1024, 4.0, 1024);
+    avpriv_kbd_window_init(ff_aac_kbd_short_128, 6.0, 128);
     ff_init_ff_sine_windows(10);
     ff_init_ff_sine_windows(7);
 }
diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c
index fc0cbeb493..8c63f015f4 100644
--- a/libavcodec/ac3dec.c
+++ b/libavcodec/ac3dec.c
@@ -228,7 +228,7 @@ static av_cold int ac3_decode_init(AVCodecContext *avctx)
     if ((ret = av_tx_init(&s->tx_256, &s->tx_fn_256, IMDCT_TYPE, 1, 256, &scale, 0)))
         return ret;
 
-    AC3_RENAME(ff_kbd_window_init)(s->window, 5.0, 256);
+    AC3_RENAME(avpriv_kbd_window_init)(s->window, 5.0, 256);
     ff_bswapdsp_init(&s->bdsp);
 
 #if (USE_FIXED)
diff --git a/libavcodec/ac3enc_fixed.c b/libavcodec/ac3enc_fixed.c
index 88dfd66b91..079a43dc39 100644
--- a/libavcodec/ac3enc_fixed.c
+++ b/libavcodec/ac3enc_fixed.c
@@ -82,7 +82,7 @@ static av_cold int ac3_fixed_mdct_init(AC3EncodeContext *s)
     if (!iwin)
         return AVERROR(ENOMEM);
 
-    ff_kbd_window_init(fwin, 5.0, AC3_BLOCK_SIZE);
+    avpriv_kbd_window_init(fwin, 5.0, AC3_BLOCK_SIZE);
     for (int i = 0; i < AC3_BLOCK_SIZE; i++)
         iwin[i] = lrintf(fwin[i] * (1 << 22));
 
diff --git a/libavcodec/ac3enc_float.c b/libavcodec/ac3enc_float.c
index ae351a535e..9664adbf63 100644
--- a/libavcodec/ac3enc_float.c
+++ b/libavcodec/ac3enc_float.c
@@ -92,7 +92,7 @@ static av_cold int ac3_float_mdct_init(AC3EncodeContext *s)
         return AVERROR(ENOMEM);
     }
 
-    ff_kbd_window_init(window, 5.0, AC3_BLOCK_SIZE);
+    avpriv_kbd_window_init(window, 5.0, AC3_BLOCK_SIZE);
     s->mdct_window = window;
 
     return av_tx_init(&s->tx, &s->tx_fn, AV_TX_FLOAT_MDCT, 0,
diff --git a/libavcodec/dolby_e.c b/libavcodec/dolby_e.c
index 921c33f3ba..b8dac0fa3f 100644
--- a/libavcodec/dolby_e.c
+++ b/libavcodec/dolby_e.c
@@ -1200,7 +1200,7 @@ static av_cold void init_tables(void)
         gain_tab[i] = exp2f((i - 960) / 64.0f);
 
     // short 1
-    ff_kbd_window_init(window, 3.0f, 128);
+    avpriv_kbd_window_init(window, 3.0f, 128);
     for (i = 0; i < 128; i++)
         window[128 + i] = window[127 - i];
 
@@ -1227,7 +1227,7 @@ static av_cold void init_tables(void)
         window[1088 + i] = 1.0f;
 
     // long
-    ff_kbd_window_init(window + 1408, 3.0f, 256);
+    avpriv_kbd_window_init(window + 1408, 3.0f, 256);
     for (i = 0; i < 640; i++)
         window[1664 + i] = 1.0f;
     for (i = 0; i < 256; i++)
diff --git a/libavcodec/kbdwin.c b/libavcodec/kbdwin.c
index 82755874d4..eacdb46774 100644
--- a/libavcodec/kbdwin.c
+++ b/libavcodec/kbdwin.c
@@ -56,12 +56,12 @@ av_cold static int kbd_window_init(float *float_window, int *int_window, float a
    return 0;
 }
 
-av_cold int ff_kbd_window_init(float *window, float alpha, int n)
+av_cold int avpriv_kbd_window_init(float *window, float alpha, int n)
 {
     return kbd_window_init(window, NULL, alpha, n);
 }
 
-av_cold int ff_kbd_window_init_fixed(int32_t *window, float alpha, int n)
+av_cold int avpriv_kbd_window_init_fixed(int32_t *window, float alpha, int n)
 {
     return kbd_window_init(NULL, window, alpha, n);
 }
diff --git a/libavcodec/kbdwin.h b/libavcodec/kbdwin.h
index 452fc46596..0cb2073c5f 100644
--- a/libavcodec/kbdwin.h
+++ b/libavcodec/kbdwin.h
@@ -22,7 +22,7 @@
 #include <stdint.h>
 
 /**
- * Maximum window size for ff_kbd_window_init.
+ * Maximum window size for avpriv_kbd_window_init.
  */
 #define FF_KBD_WINDOW_MAX 1024
 
@@ -34,7 +34,7 @@
  *
  * @return if n is larger than FF_KBD_WINDOW_MAX then AVERROR(ENOMEM) is possible
  */
-int ff_kbd_window_init(float *window, float alpha, int n);
-int ff_kbd_window_init_fixed(int32_t *window, float alpha, int n);
+int avpriv_kbd_window_init(float *window, float alpha, int n);
+int avpriv_kbd_window_init_fixed(int32_t *window, float alpha, int n);
 
 #endif /* AVCODEC_KBDWIN_H */