diff --git a/libswscale/utils.c b/libswscale/utils.c
index b216eff63e872d57f27562bebaf420fa0e736cb6..6bbdb64f8d0a577100155870aeb3b43575e597c9 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -168,8 +168,8 @@ static const FormatEntry format_entries[AV_PIX_FMT_NB] = {
     [AV_PIX_FMT_GBRP9BE]     = { 1, 1 },
     [AV_PIX_FMT_GBRP10LE]    = { 1, 1 },
     [AV_PIX_FMT_GBRP10BE]    = { 1, 1 },
-    [AV_PIX_FMT_GBRP16LE]    = { 1, 1 },
-    [AV_PIX_FMT_GBRP16BE]    = { 1, 1 },
+    [AV_PIX_FMT_GBRP16LE]    = { 1, 0 },
+    [AV_PIX_FMT_GBRP16BE]    = { 1, 0 },
 };
 
 int sws_isSupportedInput(enum AVPixelFormat pix_fmt)
diff --git a/tests/ref/lavfi/pixdesc b/tests/ref/lavfi/pixdesc
index 683db66fb409922e69a153777e390f7cd4ebd08b..23452aed2aed84e4c0ea94074e370e978c5897bf 100644
--- a/tests/ref/lavfi/pixdesc
+++ b/tests/ref/lavfi/pixdesc
@@ -15,8 +15,6 @@ bgra                76a18a5151242fa137133f604cd624d2
 gbrp                76204621e200a3cc633012f6720c7005
 gbrp10be            2ca4a4a589a7dc461ff186913c7a69e5
 gbrp10le            46176f1fcc6e67f9862115fe373f73d3
-gbrp16be            b577122bb4fc34274b9fc2d1c6b934d0
-gbrp16le            7a8fc641745c4f363348522a687d2a08
 gbrp9be             981c2c1b0ef1791824b4c7518331bc2e
 gbrp9le             25fb915ed11d07d631e0e7b78d54bebf
 gray                db08f7f0751900347e6b8649e4164d21
diff --git a/tests/ref/lavfi/pixfmts_copy b/tests/ref/lavfi/pixfmts_copy
index 683db66fb409922e69a153777e390f7cd4ebd08b..23452aed2aed84e4c0ea94074e370e978c5897bf 100644
--- a/tests/ref/lavfi/pixfmts_copy
+++ b/tests/ref/lavfi/pixfmts_copy
@@ -15,8 +15,6 @@ bgra                76a18a5151242fa137133f604cd624d2
 gbrp                76204621e200a3cc633012f6720c7005
 gbrp10be            2ca4a4a589a7dc461ff186913c7a69e5
 gbrp10le            46176f1fcc6e67f9862115fe373f73d3
-gbrp16be            b577122bb4fc34274b9fc2d1c6b934d0
-gbrp16le            7a8fc641745c4f363348522a687d2a08
 gbrp9be             981c2c1b0ef1791824b4c7518331bc2e
 gbrp9le             25fb915ed11d07d631e0e7b78d54bebf
 gray                db08f7f0751900347e6b8649e4164d21
diff --git a/tests/ref/lavfi/pixfmts_null b/tests/ref/lavfi/pixfmts_null
index 683db66fb409922e69a153777e390f7cd4ebd08b..23452aed2aed84e4c0ea94074e370e978c5897bf 100644
--- a/tests/ref/lavfi/pixfmts_null
+++ b/tests/ref/lavfi/pixfmts_null
@@ -15,8 +15,6 @@ bgra                76a18a5151242fa137133f604cd624d2
 gbrp                76204621e200a3cc633012f6720c7005
 gbrp10be            2ca4a4a589a7dc461ff186913c7a69e5
 gbrp10le            46176f1fcc6e67f9862115fe373f73d3
-gbrp16be            b577122bb4fc34274b9fc2d1c6b934d0
-gbrp16le            7a8fc641745c4f363348522a687d2a08
 gbrp9be             981c2c1b0ef1791824b4c7518331bc2e
 gbrp9le             25fb915ed11d07d631e0e7b78d54bebf
 gray                db08f7f0751900347e6b8649e4164d21
diff --git a/tests/ref/lavfi/pixfmts_scale b/tests/ref/lavfi/pixfmts_scale
index fde07b091a0665bf178eb93b1237811d2b31861d..80816ecde0b44aa0da8f9695266a40d573dfa77d 100644
--- a/tests/ref/lavfi/pixfmts_scale
+++ b/tests/ref/lavfi/pixfmts_scale
@@ -15,8 +15,6 @@ bgra                a5e7040f9a80cccd65e5acf2ca09ace5
 gbrp                205c50f8359cb4ba2827a7711dea2cc6
 gbrp10be            30b7f9d5ef5da474fb794743146236aa
 gbrp10le            2e9949a01fe4c38774728e34795165cc
-gbrp16be            4045de229757b7a285fea274b9599c0d
-gbrp16le            f71e77371c0c5781e46af85ea95f92a3
 gbrp9be             6bac01a7f64a381521b2149fc46f4178
 gbrp9le             4b6cba7acf7886c13db122e590ec6b1f
 gray                d7786a7d9d99ac74230cc045cab5632c
diff --git a/tests/ref/lavfi/pixfmts_vflip b/tests/ref/lavfi/pixfmts_vflip
index 3909d9a11039040faeb83c83d340461e7df0076d..f0ad5eb8a88c299abc50034e73f83ba1ce4f7453 100644
--- a/tests/ref/lavfi/pixfmts_vflip
+++ b/tests/ref/lavfi/pixfmts_vflip
@@ -15,8 +15,6 @@ bgra                7f9b799fb48544e49ce93e91d7f9fca8
 gbrp                25c1bce192daefab910d51a56b52199e
 gbrp10be            6fe980f9ca94cbcdb9e01f4e906fdf19
 gbrp10le            f793a1d96d3524c6a17e53356c415c4e
-gbrp16be            6517b6c4fde50fd451e6fb16ccd204c9
-gbrp16le            5b8f07a424c3c2843b39ba5dd9803d3e
 gbrp9be             e10dc3a2566b065260a45356ef08c1cd
 gbrp9le             f25105a33f18d6bcca3205c67ec106be
 gray                30d9014a9d43b5f37e7aa64be3a3ecfc