diff --git a/Changelog b/Changelog
index ee48876128..31e720091c 100644
--- a/Changelog
+++ b/Changelog
@@ -27,6 +27,7 @@ version <next>:
 - video setrange filter
 - nsp demuxer
 - support LibreSSL (via libtls)
+- Move some OMA constants from libavformat into libavcodec
 
 
 version 3.4:
diff --git a/libavformat/oma.c b/libavcodec/oma.h
similarity index 65%
rename from libavformat/oma.c
rename to libavcodec/oma.h
index f7ae3c9948..176f93ed22 100644
--- a/libavformat/oma.c
+++ b/libavcodec/oma.h
@@ -18,25 +18,22 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#ifndef AVCODEC_OMA_H
+#define AVCODEC_OMA_H
+
+#include <stdint.h>
+
 #include "internal.h"
-#include "oma.h"
-#include "libavcodec/avcodec.h"
 #include "libavutil/channel_layout.h"
 
-const uint16_t ff_oma_srate_tab[8] = { 320, 441, 480, 882, 960, 0 };
+#define EA3_HEADER_SIZE 96
+#define ID3v2_EA3_MAGIC "ea3"
+#define OMA_ENC_HEADER_SIZE 16
 
-const AVCodecTag ff_oma_codec_tags[] = {
-    { AV_CODEC_ID_ATRAC3,      OMA_CODECID_ATRAC3    },
-    { AV_CODEC_ID_ATRAC3P,     OMA_CODECID_ATRAC3P   },
-    { AV_CODEC_ID_MP3,         OMA_CODECID_MP3       },
-    { AV_CODEC_ID_PCM_S16BE,   OMA_CODECID_LPCM      },
-    { AV_CODEC_ID_ATRAC3PAL,   OMA_CODECID_ATRAC3PAL },
-    { AV_CODEC_ID_ATRAC3AL,    OMA_CODECID_ATRAC3AL  },
-    { 0 },
-};
+static const uint16_t ff_oma_srate_tab[8] = { 320, 441, 480, 882, 960, 0 };
 
 /** map ATRAC-X channel id to internal channel layout */
-const uint64_t ff_oma_chid_to_native_layout[7] = {
+static const uint64_t ff_oma_chid_to_native_layout[7] = {
     AV_CH_LAYOUT_MONO,
     AV_CH_LAYOUT_STEREO,
     AV_CH_LAYOUT_SURROUND,
@@ -47,4 +44,6 @@ const uint64_t ff_oma_chid_to_native_layout[7] = {
 };
 
 /** map ATRAC-X channel id to total number of channels */
-const int ff_oma_chid_to_num_channels[7] = {1, 2, 3, 4, 6, 7, 8};
+static const int ff_oma_chid_to_num_channels[7] = {1, 2, 3, 4, 6, 7, 8};
+
+#endif /* AVCODEC_OMA_H */
diff --git a/libavcodec/version.h b/libavcodec/version.h
index d55de89797..d48857578d 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,7 +29,7 @@
 
 #define LIBAVCODEC_VERSION_MAJOR  58
 #define LIBAVCODEC_VERSION_MINOR   8
-#define LIBAVCODEC_VERSION_MICRO 100
+#define LIBAVCODEC_VERSION_MICRO 101
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \
diff --git a/libavformat/Makefile b/libavformat/Makefile
index cb70eac920..ef0365e6e2 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -358,8 +358,8 @@ OBJS-$(CONFIG_OGG_MUXER)                 += oggenc.o \
                                             vorbiscomment.o
 OBJS-$(CONFIG_OGV_MUXER)                 += oggenc.o \
                                             vorbiscomment.o
-OBJS-$(CONFIG_OMA_DEMUXER)               += omadec.o pcm.o oma.o
-OBJS-$(CONFIG_OMA_MUXER)                 += omaenc.o rawenc.o oma.o id3v2enc.o
+OBJS-$(CONFIG_OMA_DEMUXER)               += omadec.o pcm.o
+OBJS-$(CONFIG_OMA_MUXER)                 += omaenc.o rawenc.o id3v2enc.o
 OBJS-$(CONFIG_OPUS_MUXER)                += oggenc.o \
                                             vorbiscomment.o
 OBJS-$(CONFIG_PAF_DEMUXER)               += paf.o
diff --git a/libavformat/oma.h b/libavformat/oma.h
index 36fd0125e4..ccd57d779e 100644
--- a/libavformat/oma.h
+++ b/libavformat/oma.h
@@ -21,14 +21,8 @@
 #ifndef AVFORMAT_OMA_H
 #define AVFORMAT_OMA_H
 
-#include <stdint.h>
-
 #include "internal.h"
 
-#define EA3_HEADER_SIZE 96
-#define ID3v2_EA3_MAGIC "ea3"
-#define OMA_ENC_HEADER_SIZE 16
-
 enum {
     OMA_CODECID_ATRAC3  = 0,
     OMA_CODECID_ATRAC3P = 1,
@@ -39,11 +33,14 @@ enum {
     OMA_CODECID_ATRAC3AL  = 34,
 };
 
-extern const uint16_t ff_oma_srate_tab[8];
-
-extern const AVCodecTag ff_oma_codec_tags[];
-
-extern const uint64_t ff_oma_chid_to_native_layout[7];
-extern const int ff_oma_chid_to_num_channels[7];
+static const AVCodecTag ff_oma_codec_tags[] = {
+    { AV_CODEC_ID_ATRAC3,      OMA_CODECID_ATRAC3    },
+    { AV_CODEC_ID_ATRAC3P,     OMA_CODECID_ATRAC3P   },
+    { AV_CODEC_ID_MP3,         OMA_CODECID_MP3       },
+    { AV_CODEC_ID_PCM_S16BE,   OMA_CODECID_LPCM      },
+    { AV_CODEC_ID_ATRAC3PAL,   OMA_CODECID_ATRAC3PAL },
+    { AV_CODEC_ID_ATRAC3AL,    OMA_CODECID_ATRAC3AL  },
+    { 0 },
+};
 
 #endif /* AVFORMAT_OMA_H */
diff --git a/libavformat/omadec.c b/libavformat/omadec.c
index 423d52b3aa..ccefd6c1bc 100644
--- a/libavformat/omadec.c
+++ b/libavformat/omadec.c
@@ -48,6 +48,7 @@
 #include "libavutil/intreadwrite.h"
 #include "libavutil/des.h"
 #include "libavutil/mathematics.h"
+#include "libavcodec/oma.h"
 #include "oma.h"
 #include "pcm.h"
 #include "id3v2.h"
diff --git a/libavformat/omaenc.c b/libavformat/omaenc.c
index 7952808bf8..6e72c3ee85 100644
--- a/libavformat/omaenc.c
+++ b/libavformat/omaenc.c
@@ -24,6 +24,7 @@
 #include "avio_internal.h"
 #include "id3v2.h"
 #include "internal.h"
+#include "libavcodec/oma.h"
 #include "oma.h"
 #include "rawenc.h"
 
diff --git a/libavformat/version.h b/libavformat/version.h
index 5ced041f0a..6453d4559f 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -33,7 +33,7 @@
 // Also please add any ticket numbers that you believe might be affected here
 #define LIBAVFORMAT_VERSION_MAJOR  58
 #define LIBAVFORMAT_VERSION_MINOR   3
-#define LIBAVFORMAT_VERSION_MICRO 100
+#define LIBAVFORMAT_VERSION_MICRO 101
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
                                                LIBAVFORMAT_VERSION_MINOR, \
