diff --git a/LICENSE b/LICENSE
index 1840d691794c5c04f571eb974705fd2e5f5a9d60..4f56a0bba1c672cd62c54e749590a672ab2e9151 100644
--- a/LICENSE
+++ b/LICENSE
@@ -47,7 +47,6 @@ Specifically, the GPL parts of FFmpeg are
     - vf_stereo3d.c
     - vf_super2xsai.c
     - vf_tinterlace.c
-    - vf_yadif.c
     - vsrc_mptestsrc.c
 
 Should you, for whatever reason, prefer to use version 3 of the (L)GPL, then
diff --git a/configure b/configure
index 8d4833e116373764ed8dc0bf2f63afc434489c8e..4997f0af3fc586b93f6108ea8fb5eac18d89ba8e 100755
--- a/configure
+++ b/configure
@@ -2371,7 +2371,6 @@ super2xsai_filter_deps="gpl"
 tinterlace_filter_deps="gpl"
 vidstabdetect_filter_deps="libvidstab"
 vidstabtransform_filter_deps="libvidstab"
-yadif_filter_deps="gpl"
 pixfmts_super2xsai_test_deps="super2xsai_filter"
 tinterlace_merge_test_deps="tinterlace_filter"
 tinterlace_pad_test_deps="tinterlace_filter"
diff --git a/libavfilter/vf_yadif.c b/libavfilter/vf_yadif.c
index 7ffce9ad1620bc1647812112da79f117b33fce39..9427994f3da5dc6427b91ff222a9a0eef5a93ccf 100644
--- a/libavfilter/vf_yadif.c
+++ b/libavfilter/vf_yadif.c
@@ -2,19 +2,19 @@
  * Copyright (C) 2006-2011 Michael Niedermayer <michaelni@gmx.at>
  *               2010      James Darnley <james.darnley@gmail.com>
  *
- * FFmpeg is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along
- * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include "libavutil/avassert.h"
diff --git a/libavfilter/x86/vf_yadif.asm b/libavfilter/x86/vf_yadif.asm
index ebc505c6387e5b59d841b0451eec574116e1acbc..4b80bf3d7c4e0118b53fa828ed274038e6bcc3ad 100644
--- a/libavfilter/x86/vf_yadif.asm
+++ b/libavfilter/x86/vf_yadif.asm
@@ -6,19 +6,19 @@
 ;*
 ;* This file is part of FFmpeg.
 ;*
-;* FFmpeg is free software; you can redistribute it and/or modify
-;* it under the terms of the GNU General Public License as published by
-;* the Free Software Foundation; either version 2 of the License, or
-;* (at your option) any later version.
+;* FFmpeg is free software; you can redistribute it and/or
+;* modify it under the terms of the GNU Lesser General Public
+;* License as published by the Free Software Foundation; either
+;* version 2.1 of the License, or (at your option) any later version.
 ;*
 ;* FFmpeg is distributed in the hope that it will be useful,
 ;* but WITHOUT ANY WARRANTY; without even the implied warranty of
-;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;* GNU General Public License for more details.
+;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;* Lesser General Public License for more details.
 ;*
-;* You should have received a copy of the GNU General Public License along
-;* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
-;* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+;* You should have received a copy of the GNU Lesser General Public
+;* License along with FFmpeg; if not, write to the Free Software
+;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 ;******************************************************************************
 
 %include "libavutil/x86/x86util.asm"
diff --git a/libavfilter/x86/vf_yadif_init.c b/libavfilter/x86/vf_yadif_init.c
index ae09bb060b6b8fd4a23b858ac8cccb246466acdd..10ebd230dedcd0ac546e7d5b05542c2120cadb1d 100644
--- a/libavfilter/x86/vf_yadif_init.c
+++ b/libavfilter/x86/vf_yadif_init.c
@@ -3,19 +3,19 @@
  *
  * This file is part of FFmpeg.
  *
- * FFmpeg is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along
- * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include "libavutil/attributes.h"
diff --git a/libavfilter/x86/yadif-10.asm b/libavfilter/x86/yadif-10.asm
index d586deb6f625f69cc8390956b81a58d608fd5aa1..9a6385ac4df936de28b81dd4267316fa1d8693d8 100644
--- a/libavfilter/x86/yadif-10.asm
+++ b/libavfilter/x86/yadif-10.asm
@@ -7,19 +7,19 @@
 ;*
 ;* This file is part of FFmpeg.
 ;*
-;* FFmpeg is free software; you can redistribute it and/or modify
-;* it under the terms of the GNU General Public License as published by
-;* the Free Software Foundation; either version 2 of the License, or
-;* (at your option) any later version.
+;* FFmpeg is free software; you can redistribute it and/or
+;* modify it under the terms of the GNU Lesser General Public
+;* License as published by the Free Software Foundation; either
+;* version 2.1 of the License, or (at your option) any later version.
 ;*
 ;* FFmpeg is distributed in the hope that it will be useful,
 ;* but WITHOUT ANY WARRANTY; without even the implied warranty of
-;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;* GNU General Public License for more details.
+;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;* Lesser General Public License for more details.
 ;*
-;* You should have received a copy of the GNU General Public License along
-;* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
-;* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+;* You should have received a copy of the GNU Lesser General Public
+;* License along with FFmpeg; if not, write to the Free Software
+;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 ;******************************************************************************
 
 %include "libavutil/x86/x86util.asm"
diff --git a/libavfilter/x86/yadif-16.asm b/libavfilter/x86/yadif-16.asm
index a2e6006253e228ec07d356408f3acddf65717000..d6dcd3a403156ffc262ffe67da2dc3774e98e569 100644
--- a/libavfilter/x86/yadif-16.asm
+++ b/libavfilter/x86/yadif-16.asm
@@ -7,19 +7,19 @@
 ;*
 ;* This file is part of FFmpeg.
 ;*
-;* FFmpeg is free software; you can redistribute it and/or modify
-;* it under the terms of the GNU General Public License as published by
-;* the Free Software Foundation; either version 2 of the License, or
-;* (at your option) any later version.
+;* FFmpeg is free software; you can redistribute it and/or
+;* modify it under the terms of the GNU Lesser General Public
+;* License as published by the Free Software Foundation; either
+;* version 2.1 of the License, or (at your option) any later version.
 ;*
 ;* FFmpeg is distributed in the hope that it will be useful,
 ;* but WITHOUT ANY WARRANTY; without even the implied warranty of
-;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;* GNU General Public License for more details.
+;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;* Lesser General Public License for more details.
 ;*
-;* You should have received a copy of the GNU General Public License along
-;* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
-;* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+;* You should have received a copy of the GNU Lesser General Public
+;* License along with FFmpeg; if not, write to the Free Software
+;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 ;******************************************************************************
 
 %include "libavutil/x86/x86util.asm"
diff --git a/libavfilter/yadif.h b/libavfilter/yadif.h
index 3ddf0050a600b48e0264d60ed84e2f727862f9dd..07f2cc9b6f1036b255506466a9dd04d7fe429c98 100644
--- a/libavfilter/yadif.h
+++ b/libavfilter/yadif.h
@@ -1,19 +1,19 @@
 /*
  * This file is part of FFmpeg.
  *
- * FFmpeg is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along
- * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef AVFILTER_YADIF_H