diff --git a/gstreamer-app/Cargo.toml b/gstreamer-app/Cargo.toml
index 65ffb6c60..f55bf1785 100644
--- a/gstreamer-app/Cargo.toml
+++ b/gstreamer-app/Cargo.toml
@@ -18,7 +18,7 @@ futures-core = "0.3"
 futures-sink = "0.3"
 bitflags = "1.0"
 libc = "0.2"
-ffi = { package = "gstreamer-app-sys", path = "sys", features = ["v1_8"] }
+ffi = { package = "gstreamer-app-sys", path = "sys" }
 glib = { git = "https://github.com/gtk-rs/gtk-rs-core" }
 gst = { package = "gstreamer", path = "../gstreamer" }
 gst-base = { package = "gstreamer-base", path = "../gstreamer-base" }
diff --git a/gstreamer-app/sys/Cargo.toml b/gstreamer-app/sys/Cargo.toml
index 5b5872895..dd0e27beb 100644
--- a/gstreamer-app/sys/Cargo.toml
+++ b/gstreamer-app/sys/Cargo.toml
@@ -21,17 +21,13 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-v1_2 = []
-v1_4 = ["v1_2"]
-v1_6 = ["v1_4"]
-v1_8 = ["v1_6"]
-v1_10 = ["v1_8"]
+v1_10 = []
 v1_12 = ["v1_10"]
 v1_14 = ["v1_12"]
 v1_16 = ["v1_14"]
 v1_18 = ["v1_16"]
-dox = []
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_app_sys"
diff --git a/gstreamer-app/sys/Gir.toml b/gstreamer-app/sys/Gir.toml
index 8107a99ef..d73a95ade 100644
--- a/gstreamer-app/sys/Gir.toml
+++ b/gstreamer-app/sys/Gir.toml
@@ -16,10 +16,6 @@ extra_versions = [
     "1.14",
     "1.12",
     "1.10",
-    "1.8",
-    "1.6",
-    "1.4",
-    "1.2",
 ]
 
 [external_libraries]
diff --git a/gstreamer-audio/Cargo.toml b/gstreamer-audio/Cargo.toml
index 84a58cf24..01795dd22 100644
--- a/gstreamer-audio/Cargo.toml
+++ b/gstreamer-audio/Cargo.toml
@@ -17,7 +17,7 @@ rust-version = "1.57"
 libc = "0.2"
 cfg-if = "1.0"
 bitflags = "1.0"
-ffi = { package = "gstreamer-audio-sys", path = "sys", features = ["v1_8"] }
+ffi = { package = "gstreamer-audio-sys", path = "sys" }
 glib = { git = "https://github.com/gtk-rs/gtk-rs-core" }
 gst = { package = "gstreamer", path = "../gstreamer" }
 gst-base = { package = "gstreamer-base", path = "../gstreamer-base" }
diff --git a/gstreamer-audio/sys/Cargo.toml b/gstreamer-audio/sys/Cargo.toml
index 0f0dcb13e..b363a1d3e 100644
--- a/gstreamer-audio/sys/Cargo.toml
+++ b/gstreamer-audio/sys/Cargo.toml
@@ -25,17 +25,13 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-v1_2 = []
-v1_4 = ["v1_2"]
-v1_6 = ["v1_4"]
-v1_8 = ["v1_6"]
-v1_10 = ["v1_8"]
+v1_10 = []
 v1_12 = ["v1_10"]
 v1_14 = ["v1_12"]
 v1_16 = ["v1_14"]
 v1_18 = ["v1_16"]
-dox = []
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_audio_sys"
diff --git a/gstreamer-audio/sys/Gir.toml b/gstreamer-audio/sys/Gir.toml
index 4909addd4..d306e6c08 100644
--- a/gstreamer-audio/sys/Gir.toml
+++ b/gstreamer-audio/sys/Gir.toml
@@ -12,10 +12,6 @@ extra_versions = [
     "1.14",
     "1.12",
     "1.10",
-    "1.8",
-    "1.6",
-    "1.4",
-    "1.2",
 ]
 
 external_libraries = [
diff --git a/gstreamer-base/Cargo.toml b/gstreamer-base/Cargo.toml
index 3cd01474f..0f85683d7 100644
--- a/gstreamer-base/Cargo.toml
+++ b/gstreamer-base/Cargo.toml
@@ -17,7 +17,7 @@ rust-version = "1.57"
 cfg-if = "1.0"
 libc = "0.2"
 bitflags = "1.0"
-ffi = { package = "gstreamer-base-sys", path = "sys", features = ["v1_8"] }
+ffi = { package = "gstreamer-base-sys", path = "sys" }
 glib = { git = "https://github.com/gtk-rs/gtk-rs-core" }
 gst = { package = "gstreamer", path = "../gstreamer" }
 
diff --git a/gstreamer-base/sys/Cargo.toml b/gstreamer-base/sys/Cargo.toml
index 6f2cbac62..7705302af 100644
--- a/gstreamer-base/sys/Cargo.toml
+++ b/gstreamer-base/sys/Cargo.toml
@@ -21,12 +21,7 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-v1_0_1 = []
-v1_2 = []
-v1_4 = ["v1_2"]
-v1_6 = ["v1_4"]
-v1_8 = ["v1_6"]
-v1_10 = ["v1_8"]
+v1_10 = []
 v1_12 = ["v1_10"]
 v1_12_1 = ["v1_12"]
 v1_14 = ["v1_12_1"]
@@ -34,8 +29,8 @@ v1_14_1 = ["v1_14"]
 v1_14_3 = ["v1_14_1"]
 v1_16 = ["v1_14_3"]
 v1_18 = ["v1_16"]
-dox = []
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_base_sys"
diff --git a/gstreamer-base/sys/Gir.toml b/gstreamer-base/sys/Gir.toml
index 48476936b..d8eadbfbd 100644
--- a/gstreamer-base/sys/Gir.toml
+++ b/gstreamer-base/sys/Gir.toml
@@ -12,10 +12,6 @@ extra_versions = [
     "1.14",
     "1.12",
     "1.10",
-    "1.8",
-    "1.6",
-    "1.4",
-    "1.2",
 ]
 
 external_libraries = [
diff --git a/gstreamer-check/Cargo.toml b/gstreamer-check/Cargo.toml
index 17e624f36..43a93ed85 100644
--- a/gstreamer-check/Cargo.toml
+++ b/gstreamer-check/Cargo.toml
@@ -15,7 +15,7 @@ rust-version = "1.57"
 
 [dependencies]
 bitflags = "1.0"
-ffi = { package = "gstreamer-check-sys", path = "sys", features = ["v1_8"] }
+ffi = { package = "gstreamer-check-sys", path = "sys" }
 glib = { git = "https://github.com/gtk-rs/gtk-rs-core" }
 gst = { package = "gstreamer", path = "../gstreamer" }
 
diff --git a/gstreamer-check/sys/Cargo.toml b/gstreamer-check/sys/Cargo.toml
index 1cc61c833..6e527a22b 100644
--- a/gstreamer-check/sys/Cargo.toml
+++ b/gstreamer-check/sys/Cargo.toml
@@ -21,17 +21,13 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-dox = []
-v1_2 = []
-v1_4 = ["v1_2"]
-v1_6 = ["v1_4"]
-v1_8 = ["v1_6"]
-v1_10 = ["v1_8"]
+v1_10 = []
 v1_12 = ["v1_10"]
 v1_14 = ["v1_12"]
 v1_16 = ["v1_14"]
 v1_18 = ["v1_16"]
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_check_sys"
diff --git a/gstreamer-check/sys/Gir.toml b/gstreamer-check/sys/Gir.toml
index 1f68e6273..d70dc51d8 100644
--- a/gstreamer-check/sys/Gir.toml
+++ b/gstreamer-check/sys/Gir.toml
@@ -12,10 +12,6 @@ extra_versions = [
     "1.14",
     "1.12",
     "1.10",
-    "1.8",
-    "1.6",
-    "1.4",
-    "1.2",
 ]
 
 external_libraries = [
diff --git a/gstreamer-controller/Cargo.toml b/gstreamer-controller/Cargo.toml
index d554406a5..19160d309 100644
--- a/gstreamer-controller/Cargo.toml
+++ b/gstreamer-controller/Cargo.toml
@@ -16,7 +16,7 @@ rust-version = "1.57"
 [dependencies]
 bitflags = "1.0"
 once_cell = "1.0"
-ffi = { package = "gstreamer-controller-sys", path = "sys", features = ["v1_8"] }
+ffi = { package = "gstreamer-controller-sys", path = "sys" }
 glib = { git = "https://github.com/gtk-rs/gtk-rs-core" }
 gst = { package = "gstreamer", path = "../gstreamer" }
 
diff --git a/gstreamer-controller/sys/Cargo.toml b/gstreamer-controller/sys/Cargo.toml
index 95c38dd29..78f68336f 100644
--- a/gstreamer-controller/sys/Cargo.toml
+++ b/gstreamer-controller/sys/Cargo.toml
@@ -22,17 +22,13 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-v1_2 = []
-v1_4 = ["v1_2"]
-v1_6 = ["v1_4"]
-v1_8 = []
-v1_10 = ["v1_8"]
+v1_10 = []
 v1_12 = ["v1_10"]
 v1_14 = ["v1_12"]
 v1_16 = ["v1_14"]
 v1_18 = ["v1_16"]
-dox = []
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_controller_sys"
diff --git a/gstreamer-controller/sys/Gir.toml b/gstreamer-controller/sys/Gir.toml
index 6a2b11733..3ff644f20 100644
--- a/gstreamer-controller/sys/Gir.toml
+++ b/gstreamer-controller/sys/Gir.toml
@@ -17,7 +17,6 @@ extra_versions = [
     "1.14",
     "1.12",
     "1.10",
-    "1.8",
 ]
 
 [external_libraries]
diff --git a/gstreamer-editing-services/Cargo.toml b/gstreamer-editing-services/Cargo.toml
index 3b8752053..4398dccde 100644
--- a/gstreamer-editing-services/Cargo.toml
+++ b/gstreamer-editing-services/Cargo.toml
@@ -16,7 +16,7 @@ rust-version = "1.57"
 [dependencies]
 libc = "0.2"
 bitflags = "1.0"
-ffi = { package = "gstreamer-editing-services-sys", path = "sys", features = ["v1_8"]}
+ffi = { package = "gstreamer-editing-services-sys", path = "sys"}
 glib = { git = "https://github.com/gtk-rs/gtk-rs-core" }
 gio = { git = "https://github.com/gtk-rs/gtk-rs-core" }
 gst = { package = "gstreamer", path = "../gstreamer" }
diff --git a/gstreamer-editing-services/sys/Cargo.toml b/gstreamer-editing-services/sys/Cargo.toml
index 82b2f6da3..f1d068ffe 100644
--- a/gstreamer-editing-services/sys/Cargo.toml
+++ b/gstreamer-editing-services/sys/Cargo.toml
@@ -29,17 +29,13 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-dox = []
-v1_6 = ["v1_4"]
-v1_8 = ["v1_6"]
-v1_10 = ["v1_8"]
+v1_10 = []
 v1_12 = ["v1_10"]
 v1_14 = ["v1_12"]
 v1_16 = ["v1_14"]
 v1_18 = ["v1_16"]
-v1_2 = []
-v1_4 = ["v1_2"]
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_editing_services_sys"
diff --git a/gstreamer-editing-services/sys/Gir.toml b/gstreamer-editing-services/sys/Gir.toml
index eed591891..beaecf677 100644
--- a/gstreamer-editing-services/sys/Gir.toml
+++ b/gstreamer-editing-services/sys/Gir.toml
@@ -12,10 +12,6 @@ extra_versions = [
     "1.14",
     "1.12",
     "1.10",
-    "1.8",
-    "1.6",
-    "1.4",
-    "1.2",
 ]
 
 external_libraries = [
diff --git a/gstreamer-gl/Cargo.toml b/gstreamer-gl/Cargo.toml
index 543aa44e2..f986db53b 100644
--- a/gstreamer-gl/Cargo.toml
+++ b/gstreamer-gl/Cargo.toml
@@ -33,10 +33,10 @@ gir-format-check = "0.1"
 
 [features]
 default = []
-dox = ["v1_20", "ffi/dox", "glib/dox", "gst/dox", "gst-base/dox", "gst-video/dox"]
 v1_16 = ["gst/v1_16", "gst-base/v1_16", "gst-video/v1_16", "ffi/v1_16"]
 v1_18 = ["gst/v1_18", "gst-base/v1_18", "gst-video/v1_18", "ffi/v1_18", "v1_16"]
 v1_20 = ["gst/v1_20", "gst-base/v1_20", "gst-video/v1_20", "ffi/v1_20", "v1_18"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gst/dox", "gst-base/dox", "gst-video/dox"]
 
 [package.metadata.docs.rs]
 features = ["dox"]
diff --git a/gstreamer-gl/sys/Cargo.toml b/gstreamer-gl/sys/Cargo.toml
index dc5aedd86..7e993f2f7 100644
--- a/gstreamer-gl/sys/Cargo.toml
+++ b/gstreamer-gl/sys/Cargo.toml
@@ -32,10 +32,10 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-dox = []
 v1_16 = []
 v1_18 = ["v1_16"]
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_gl_sys"
diff --git a/gstreamer-mpegts/sys/Cargo.toml b/gstreamer-mpegts/sys/Cargo.toml
index 9756f4f4e..ef0c3b2d7 100644
--- a/gstreamer-mpegts/sys/Cargo.toml
+++ b/gstreamer-mpegts/sys/Cargo.toml
@@ -21,17 +21,11 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-v1_2 = []
-v1_4 = ["v1_2"]
-v1_6 = ["v1_4"]
-v1_8 = ["v1_6"]
-v1_10 = ["v1_8"]
-v1_12 = ["v1_10"]
-v1_14 = ["v1_12"]
+v1_14 = []
 v1_16 = ["v1_14"]
 v1_18 = ["v1_16"]
-dox = []
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_mpegts_sys"
diff --git a/gstreamer-mpegts/sys/Gir.toml b/gstreamer-mpegts/sys/Gir.toml
index 968a6484a..a806aed12 100644
--- a/gstreamer-mpegts/sys/Gir.toml
+++ b/gstreamer-mpegts/sys/Gir.toml
@@ -10,12 +10,6 @@ extra_versions = [
     "1.18",
     "1.16",
     "1.14",
-    "1.12",
-    "1.10",
-    "1.8",
-    "1.6",
-    "1.4",
-    "1.2",
 ]
 
 external_libraries = [
diff --git a/gstreamer-net/Cargo.toml b/gstreamer-net/Cargo.toml
index 5c515f2d2..59c8ed026 100644
--- a/gstreamer-net/Cargo.toml
+++ b/gstreamer-net/Cargo.toml
@@ -14,7 +14,7 @@ edition = "2021"
 rust-version = "1.57"
 
 [dependencies]
-ffi = { package = "gstreamer-net-sys", path = "sys", features = ["v1_8"] }
+ffi = { package = "gstreamer-net-sys", path = "sys" }
 glib = { git = "https://github.com/gtk-rs/gtk-rs-core" }
 gst = { package = "gstreamer", path = "../gstreamer" }
 gio = { git = "https://github.com/gtk-rs/gtk-rs-core" }
diff --git a/gstreamer-net/sys/Cargo.toml b/gstreamer-net/sys/Cargo.toml
index 398e3a16a..f73b3f3cd 100644
--- a/gstreamer-net/sys/Cargo.toml
+++ b/gstreamer-net/sys/Cargo.toml
@@ -21,17 +21,13 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-v1_2 = []
-v1_4 = ["v1_2"]
-v1_6 = ["v1_4"]
-v1_8 = ["v1_6"]
-v1_10 = ["v1_8"]
+v1_10 = []
 v1_12 = ["v1_10"]
 v1_14 = ["v1_12"]
 v1_16 = ["v1_14"]
 v1_18 = ["v1_16"]
-dox = []
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_net_sys"
diff --git a/gstreamer-net/sys/Gir.toml b/gstreamer-net/sys/Gir.toml
index e18a7fe0e..a042d93f8 100644
--- a/gstreamer-net/sys/Gir.toml
+++ b/gstreamer-net/sys/Gir.toml
@@ -12,10 +12,6 @@ extra_versions = [
     "1.14",
     "1.12",
     "1.10",
-    "1.8",
-    "1.6",
-    "1.4",
-    "1.2",
 ]
 
 external_libraries = [
diff --git a/gstreamer-pbutils/Cargo.toml b/gstreamer-pbutils/Cargo.toml
index da7bb4ad1..9102aa16e 100644
--- a/gstreamer-pbutils/Cargo.toml
+++ b/gstreamer-pbutils/Cargo.toml
@@ -16,7 +16,7 @@ rust-version = "1.57"
 [dependencies]
 bitflags = "1.0"
 libc = "0.2"
-ffi = { package = "gstreamer-pbutils-sys", path = "sys", features = ["v1_8"] }
+ffi = { package = "gstreamer-pbutils-sys", path = "sys" }
 glib = { git = "https://github.com/gtk-rs/gtk-rs-core" }
 gst = { package = "gstreamer", path = "../gstreamer" }
 thiserror = "1.0"
diff --git a/gstreamer-pbutils/sys/Cargo.toml b/gstreamer-pbutils/sys/Cargo.toml
index 41ea98454..661aee63f 100644
--- a/gstreamer-pbutils/sys/Cargo.toml
+++ b/gstreamer-pbutils/sys/Cargo.toml
@@ -29,18 +29,14 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-v1_2 = []
-v1_4 = ["v1_2"]
-v1_6 = ["v1_4"]
-v1_8 = ["v1_6"]
-v1_10 = ["v1_8"]
+v1_10 = []
 v1_12 = ["v1_10"]
 v1_14 = ["v1_12_1"]
 v1_16 = ["v1_14"]
 v1_18 = ["v1_16"]
 v1_12_1 = ["v1_12"]
-dox = []
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_pbutils_sys"
diff --git a/gstreamer-pbutils/sys/Gir.toml b/gstreamer-pbutils/sys/Gir.toml
index 2d5fa4c43..2ef8c9de2 100644
--- a/gstreamer-pbutils/sys/Gir.toml
+++ b/gstreamer-pbutils/sys/Gir.toml
@@ -12,10 +12,6 @@ extra_versions = [
     "1.14",
     "1.12",
     "1.10",
-    "1.8",
-    "1.6",
-    "1.4",
-    "1.2",
 ]
 
 ignore = [
diff --git a/gstreamer-player/sys/Cargo.toml b/gstreamer-player/sys/Cargo.toml
index efd6767f9..897e9a81a 100644
--- a/gstreamer-player/sys/Cargo.toml
+++ b/gstreamer-player/sys/Cargo.toml
@@ -30,8 +30,8 @@ tempfile = "3"
 v1_14 = []
 v1_16 = ["v1_14"]
 v1_18 = ["v1_16"]
-dox = []
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_player_sys"
diff --git a/gstreamer-rtp/Cargo.toml b/gstreamer-rtp/Cargo.toml
index 83f07a3f1..c00a5a9c0 100644
--- a/gstreamer-rtp/Cargo.toml
+++ b/gstreamer-rtp/Cargo.toml
@@ -17,7 +17,7 @@ rust-version = "1.57"
 bitflags = "1.0"
 once_cell = "1.0"
 libc = "0.2"
-ffi = { package = "gstreamer-rtp-sys", path = "sys", features = ["v1_8"] }
+ffi = { package = "gstreamer-rtp-sys", path = "sys" }
 glib = { git = "https://github.com/gtk-rs/gtk-rs-core" }
 gst = { package = "gstreamer", path = "../gstreamer" }
 
diff --git a/gstreamer-rtp/sys/Cargo.toml b/gstreamer-rtp/sys/Cargo.toml
index f9f81bcd6..cc7e36539 100644
--- a/gstreamer-rtp/sys/Cargo.toml
+++ b/gstreamer-rtp/sys/Cargo.toml
@@ -21,19 +21,13 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-v1_4 = ["v1_2"]
-v1_8 = ["v1_6"]
-v1_8_1 = ["v1_8"]
+v1_10 = []
 v1_12 = ["v1_10"]
 v1_14 = ["v1_12"]
-v1_2 = []
-v1_6 = ["v1_4"]
-v1_6_1 = ["v1_6"]
-v1_10 = ["v1_8"]
 v1_16 = ["v1_14"]
 v1_18 = ["v1_16"]
-dox = []
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_rtp_sys"
diff --git a/gstreamer-rtp/sys/Gir.toml b/gstreamer-rtp/sys/Gir.toml
index 08f884bf5..19b3b812e 100644
--- a/gstreamer-rtp/sys/Gir.toml
+++ b/gstreamer-rtp/sys/Gir.toml
@@ -12,10 +12,6 @@ extra_versions = [
     "1.14",
     "1.12",
     "1.10",
-    "1.8",
-    "1.6",
-    "1.4",
-    "1.2",
 ]
 
 external_libraries = [
diff --git a/gstreamer-rtsp-server/Cargo.toml b/gstreamer-rtsp-server/Cargo.toml
index 839c6f696..36141f556 100644
--- a/gstreamer-rtsp-server/Cargo.toml
+++ b/gstreamer-rtsp-server/Cargo.toml
@@ -17,7 +17,7 @@ rust-version = "1.57"
 bitflags = "1.0"
 libc = "0.2"
 once_cell = "1.0"
-ffi = { package = "gstreamer-rtsp-server-sys", path = "sys", features = ["v1_8"] }
+ffi = { package = "gstreamer-rtsp-server-sys", path = "sys" }
 glib = { git = "https://github.com/gtk-rs/gtk-rs-core" }
 gio = { git = "https://github.com/gtk-rs/gtk-rs-core" }
 gst = { package = "gstreamer", path = "../gstreamer" }
diff --git a/gstreamer-rtsp-server/sys/Cargo.toml b/gstreamer-rtsp-server/sys/Cargo.toml
index 6db9b127c..b9d66d74f 100644
--- a/gstreamer-rtsp-server/sys/Cargo.toml
+++ b/gstreamer-rtsp-server/sys/Cargo.toml
@@ -37,17 +37,13 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-dox = []
-v1_2 = []
-v1_4 = ["v1_2"]
-v1_6 = ["v1_4"]
-v1_8 = ["v1_6"]
-v1_10 = ["v1_8"]
+v1_10 = []
 v1_12 = ["v1_10"]
 v1_14 = ["v1_12"]
 v1_16 = ["v1_14"]
 v1_18 = ["v1_16"]
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_rtsp_server_sys"
diff --git a/gstreamer-rtsp-server/sys/Gir.toml b/gstreamer-rtsp-server/sys/Gir.toml
index d832a2b3b..0a570f346 100644
--- a/gstreamer-rtsp-server/sys/Gir.toml
+++ b/gstreamer-rtsp-server/sys/Gir.toml
@@ -12,10 +12,6 @@ extra_versions = [
     "1.14",
     "1.12",
     "1.10",
-    "1.8",
-    "1.6",
-    "1.4",
-    "1.2",
 ]
 
 external_libraries = [
diff --git a/gstreamer-rtsp/Cargo.toml b/gstreamer-rtsp/Cargo.toml
index 06795a4c9..6bbff26ac 100644
--- a/gstreamer-rtsp/Cargo.toml
+++ b/gstreamer-rtsp/Cargo.toml
@@ -16,7 +16,7 @@ rust-version = "1.57"
 [dependencies]
 bitflags = "1.0"
 libc = "0.2"
-ffi = { package = "gstreamer-rtsp-sys", path = "sys", features = ["v1_8"] }
+ffi = { package = "gstreamer-rtsp-sys", path = "sys" }
 glib = { git = "https://github.com/gtk-rs/gtk-rs-core" }
 gst = { package = "gstreamer", path = "../gstreamer" }
 gst-sdp = { package = "gstreamer-sdp", path = "../gstreamer-sdp" }
diff --git a/gstreamer-rtsp/sys/Cargo.toml b/gstreamer-rtsp/sys/Cargo.toml
index 03075e592..8580487a0 100644
--- a/gstreamer-rtsp/sys/Cargo.toml
+++ b/gstreamer-rtsp/sys/Cargo.toml
@@ -29,18 +29,13 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-dox = []
-v1_2 = []
-v1_2_1 = ["v1_2"]
-v1_4 = ["v1_2"]
-v1_6 = ["v1_4"]
-v1_8 = ["v1_6"]
-v1_10 = ["v1_8"]
+v1_10 = []
 v1_12 = ["v1_10"]
 v1_14 = ["v1_12"]
 v1_16 = ["v1_14"]
 v1_18 = ["v1_16"]
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_rtsp_sys"
diff --git a/gstreamer-rtsp/sys/Gir.toml b/gstreamer-rtsp/sys/Gir.toml
index 49db0c45d..72ae2fe06 100644
--- a/gstreamer-rtsp/sys/Gir.toml
+++ b/gstreamer-rtsp/sys/Gir.toml
@@ -12,10 +12,6 @@ extra_versions = [
     "1.14",
     "1.12",
     "1.10",
-    "1.8",
-    "1.6",
-    "1.4",
-    "1.2",
 ]
 
 external_libraries = [
diff --git a/gstreamer-sdp/Cargo.toml b/gstreamer-sdp/Cargo.toml
index 4ab973b4f..2daf70d5c 100644
--- a/gstreamer-sdp/Cargo.toml
+++ b/gstreamer-sdp/Cargo.toml
@@ -14,7 +14,7 @@ edition = "2021"
 rust-version = "1.57"
 
 [dependencies]
-ffi = { package = "gstreamer-sdp-sys", path = "sys", features = ["v1_8"] }
+ffi = { package = "gstreamer-sdp-sys", path = "sys" }
 glib = { git = "https://github.com/gtk-rs/gtk-rs-core" }
 gst = { package = "gstreamer", path = "../gstreamer" }
 
diff --git a/gstreamer-sdp/sys/Cargo.toml b/gstreamer-sdp/sys/Cargo.toml
index 3dabcafe6..f7b3c9e17 100644
--- a/gstreamer-sdp/sys/Cargo.toml
+++ b/gstreamer-sdp/sys/Cargo.toml
@@ -17,18 +17,14 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-v1_6 = ["v1_4"]
-v1_2 = []
-v1_4 = ["v1_2"]
-v1_8 = ["v1_6"]
-v1_8_1 = ["v1_8"]
+v1_8_1 = []
 v1_10 = ["v1_8_1"]
 v1_12 = ["v1_10"]
 v1_14 = ["v1_12"]
 v1_16 = ["v1_14"]
 v1_18 = ["v1_16"]
-dox = []
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_sdp_sys"
diff --git a/gstreamer-sdp/sys/Gir.toml b/gstreamer-sdp/sys/Gir.toml
index ab36d82c5..bc3a0c875 100644
--- a/gstreamer-sdp/sys/Gir.toml
+++ b/gstreamer-sdp/sys/Gir.toml
@@ -12,10 +12,6 @@ extra_versions = [
     "1.14",
     "1.12",
     "1.10",
-    "1.8",
-    "1.6",
-    "1.4",
-    "1.2",
 ]
 
 external_libraries = [
diff --git a/gstreamer-tag/sys/Cargo.toml b/gstreamer-tag/sys/Cargo.toml
index bde99a9f8..ca936b576 100644
--- a/gstreamer-tag/sys/Cargo.toml
+++ b/gstreamer-tag/sys/Cargo.toml
@@ -21,17 +21,13 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-v1_2 = []
-v1_4 = ["v1_2"]
-v1_6 = ["v1_4"]
-v1_8 = ["v1_6"]
-v1_10 = ["v1_8"]
+v1_10 = []
 v1_12 = ["v1_10"]
 v1_14 = ["v1_12"]
 v1_16 = ["v1_14"]
 v1_18 = ["v1_16"]
-dox = []
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_tag_sys"
diff --git a/gstreamer-tag/sys/Gir.toml b/gstreamer-tag/sys/Gir.toml
index 716e5ed30..633e76e49 100644
--- a/gstreamer-tag/sys/Gir.toml
+++ b/gstreamer-tag/sys/Gir.toml
@@ -12,10 +12,6 @@ extra_versions = [
     "1.14",
     "1.12",
     "1.10",
-    "1.8",
-    "1.6",
-    "1.4",
-    "1.2",
 ]
 
 external_libraries = [
diff --git a/gstreamer-video/Cargo.toml b/gstreamer-video/Cargo.toml
index f20945bd9..6ce493583 100644
--- a/gstreamer-video/Cargo.toml
+++ b/gstreamer-video/Cargo.toml
@@ -17,7 +17,7 @@ rust-version = "1.57"
 bitflags = "1.0"
 libc = "0.2"
 cfg-if = "1.0"
-ffi = { package = "gstreamer-video-sys", path = "sys", features = ["v1_8"] }
+ffi = { package = "gstreamer-video-sys", path = "sys" }
 glib = { git = "https://github.com/gtk-rs/gtk-rs-core" }
 gst = { package = "gstreamer", path = "../gstreamer" }
 gst-base = { package = "gstreamer-base", path = "../gstreamer-base" }
diff --git a/gstreamer-video/sys/Cargo.toml b/gstreamer-video/sys/Cargo.toml
index 0d8b72e2e..42d4da217 100644
--- a/gstreamer-video/sys/Cargo.toml
+++ b/gstreamer-video/sys/Cargo.toml
@@ -25,19 +25,13 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-v1_0_3 = []
-v1_2 = []
-v1_2_2 = ["v1_2"]
-v1_4 = ["v1_2"]
-v1_6 = ["v1_4"]
-v1_8 = ["v1_6"]
-v1_10 = ["v1_8"]
+v1_10 = []
 v1_12 = ["v1_10"]
 v1_14 = ["v1_12"]
 v1_16 = ["v1_14"]
 v1_18 = ["v1_16"]
-dox = []
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_video_sys"
diff --git a/gstreamer-video/sys/Gir.toml b/gstreamer-video/sys/Gir.toml
index 2fcae9e70..b15349ed7 100644
--- a/gstreamer-video/sys/Gir.toml
+++ b/gstreamer-video/sys/Gir.toml
@@ -12,10 +12,6 @@ extra_versions = [
     "1.14",
     "1.12",
     "1.10",
-    "1.8",
-    "1.6",
-    "1.4",
-    "1.2",
 ]
 
 external_libraries = [
diff --git a/gstreamer-webrtc/Cargo.toml b/gstreamer-webrtc/Cargo.toml
index c4e6385c0..6242277d7 100644
--- a/gstreamer-webrtc/Cargo.toml
+++ b/gstreamer-webrtc/Cargo.toml
@@ -25,11 +25,11 @@ gir-format-check = "0.1"
 
 [features]
 default = []
-dox = ["v1_20", "ffi/dox", "glib/dox", "gst/dox", "gst-sdp/dox"]
 v1_14_1 = ["ffi/v1_14_1"]
 v1_16 = ["gst/v1_16", "gst-sdp/v1_16", "ffi/v1_16", "v1_14_1"]
 v1_18 = ["gst/v1_18", "gst-sdp/v1_18", "ffi/v1_18", "v1_16"]
 v1_20 = ["gst/v1_20", "gst-sdp/v1_20", "ffi/v1_20", "v1_18"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gst/dox", "gst-sdp/dox"]
 
 [package.metadata.docs.rs]
 features = ["dox"]
diff --git a/gstreamer-webrtc/sys/Cargo.toml b/gstreamer-webrtc/sys/Cargo.toml
index 48c8489e7..d65584e71 100644
--- a/gstreamer-webrtc/sys/Cargo.toml
+++ b/gstreamer-webrtc/sys/Cargo.toml
@@ -18,11 +18,11 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-dox = []
+v1_14_1 = []
 v1_16 = ["v1_14_1"]
 v1_18 = ["v1_16"]
-v1_14_1 = []
 v1_20 = ["v1_18"]
+dox = []
 
 [lib]
 name = "gstreamer_webrtc_sys"
diff --git a/gstreamer/Cargo.toml b/gstreamer/Cargo.toml
index c0f9c816e..6193185af 100644
--- a/gstreamer/Cargo.toml
+++ b/gstreamer/Cargo.toml
@@ -17,7 +17,7 @@ rust-version = "1.57"
 bitflags = "1.0"
 cfg-if = "1.0"
 libc = "0.2"
-ffi = { package = "gstreamer-sys", path = "sys", features = ["v1_8"] }
+ffi = { package = "gstreamer-sys", path = "sys" }
 glib = { git = "https://github.com/gtk-rs/gtk-rs-core" }
 num-integer = { version = "0.1", default-features = false, features = [] }
 num-rational = { version = "0.4", default-features = false, features = [] }
diff --git a/gstreamer/sys/Cargo.toml b/gstreamer/sys/Cargo.toml
index 29241f1de..5de37dc84 100644
--- a/gstreamer/sys/Cargo.toml
+++ b/gstreamer/sys/Cargo.toml
@@ -17,21 +17,15 @@ shell-words = "1.0.0"
 tempfile = "3"
 
 [features]
-v1_0_10 = []
-v1_2 = []
-v1_2_3 = ["v1_2"]
-v1_4 = ["v1_2"]
-v1_6 = ["v1_4"]
-v1_8 = ["v1_6"]
-v1_10 = ["v1_8"]
+v1_10 = []
 v1_12 = ["v1_10"]
+v1_12_1 = ["v1_12"]
 v1_14 = ["v1_12_1"]
 v1_16 = ["v1_14"]
 v1_18 = ["v1_16"]
 v1_18_3 = ["v1_18"]
-dox = []
-v1_12_1 = ["v1_12"]
 v1_20 = ["v1_18_3"]
+dox = []
 
 [lib]
 name = "gstreamer_sys"
diff --git a/gstreamer/sys/Gir.toml b/gstreamer/sys/Gir.toml
index aa77e14a6..aae11644a 100644
--- a/gstreamer/sys/Gir.toml
+++ b/gstreamer/sys/Gir.toml
@@ -13,10 +13,6 @@ extra_versions = [
     "1.14",
     "1.12",
     "1.10",
-    "1.8",
-    "1.6",
-    "1.4",
-    "1.2",
 ]
 
 external_libraries = [