diff --git a/build_tc.sh b/build_tc.sh
index ef43923..cc47f17 100644
--- a/build_tc.sh
+++ b/build_tc.sh
@@ -44,26 +44,26 @@ if [ "$STEP" == "svt" ]; then
   cp -r ../Source/API $BUILD/include/svt-hevc ; cp ../Bin/$MSBUILD_CONFIG/SvtHevcEnc.lib $BUILD/lib/ ; cp SvtHevcEnc.pc $BUILD/lib/pkgconfig/
   #
   # AV1
-  cd $SRC/svt-av1/Build
-  cmake .. -G"Visual Studio 15 2017" -A x64 -DCMAKE_INSTALL_PREFIX=$BUILD -DCMAKE_CONFIGURATION_TYPES=$MSBUILD_CONFIG
-  MSBuild.exe /maxcpucount:$CPU_CORES /property:Configuration=$MSBUILD_CONFIG /property:ConfigurationType=StaticLibrary /property:TargetExt=.lib svt-av1.sln
+  #cd $SRC/svt-av1/Build
+  #cmake .. -G"Visual Studio 15 2017" -A x64 -DCMAKE_INSTALL_PREFIX=$BUILD -DCMAKE_CONFIGURATION_TYPES=$MSBUILD_CONFIG
+  #MSBuild.exe /maxcpucount:$CPU_CORES /property:Configuration=$MSBUILD_CONFIG /property:ConfigurationType=StaticLibrary /property:TargetExt=.lib svt-av1.sln
   # install
-  cp -r ../Source/API $BUILD/include/svt-av1 ; cp ../Bin/Release/$MSBUILD_CONFIG/SvtAv1Enc.lib $BUILD/lib/ ; cp SvtAv1Enc.pc $BUILD/lib/pkgconfig/
+  #cp -r ../Source/API $BUILD/include/svt-av1 ; cp ../Bin/Release/$MSBUILD_CONFIG/SvtAv1Enc.lib $BUILD/lib/ ; cp SvtAv1Enc.pc $BUILD/lib/pkgconfig/
   #
   # VP9
-  cd $SRC/svt-vp9/Build
-  cmake .. -G"Visual Studio 15 2017" -A x64 -DCMAKE_INSTALL_PREFIX=$BUILD -DCMAKE_CONFIGURATION_TYPES=$MSBUILD_CONFIG
-  MSBuild.exe /maxcpucount:$CPU_CORES /property:Configuration=$MSBUILD_CONFIG /property:ConfigurationType=StaticLibrary /property:TargetExt=".lib" svt-vp9.sln
+  #cd $SRC/svt-vp9/Build
+  #cmake .. -G"Visual Studio 15 2017" -A x64 -DCMAKE_INSTALL_PREFIX=$BUILD -DCMAKE_CONFIGURATION_TYPES=$MSBUILD_CONFIG
+  #MSBuild.exe /maxcpucount:$CPU_CORES /property:Configuration=$MSBUILD_CONFIG /property:ConfigurationType=StaticLibrary /property:TargetExt=".lib" svt-vp9.sln
   # install
-  cp -r ../Source/API $BUILD/include/svt-vp9 ; cp ../Bin/$MSBUILD_CONFIG/SvtVp9Enc.lib $BUILD/lib/ ; cp SvtVp9Enc.pc $BUILD/lib/pkgconfig/
+  #cp -r ../Source/API $BUILD/include/svt-vp9 ; cp ../Bin/$MSBUILD_CONFIG/SvtVp9Enc.lib $BUILD/lib/ ; cp SvtVp9Enc.pc $BUILD/lib/pkgconfig/
   #
   # PATCHES
-  sed -i 's/ -lpthread//g' $BUILD/lib/pkgconfig/SvtVp9Enc.pc
-  sed -i 's/ -lm//g' $BUILD/lib/pkgconfig/SvtVp9Enc.pc
+  #sed -i 's/ -lpthread//g' $BUILD/lib/pkgconfig/SvtVp9Enc.pc
+  #sed -i 's/ -lm//g' $BUILD/lib/pkgconfig/SvtVp9Enc.pc
   cd $SRC/ffmpeg
   git apply ../svt-hevc/ffmpeg_plugin/0001-lavc-svt_hevc-add-libsvt-hevc-encoder-wrapper.patch
-  git apply ../svt-av1/ffmpeg_plugin/0001-Add-ability-for-ffmpeg-to-run-svt-av1-with-svt-hevc.patch
-  git apply ../svt-vp9/ffmpeg_plugin/0001-Add-ability-for-ffmpeg-to-run-svt-vp9-with-svt-hevc-av1.patch
+  #git apply ../svt-av1/ffmpeg_plugin/0001-Add-ability-for-ffmpeg-to-run-svt-av1-with-svt-hevc.patch
+  #git apply ../svt-vp9/ffmpeg_plugin/0001-Add-ability-for-ffmpeg-to-run-svt-vp9-with-svt-hevc-av1.patch
 elif [ "$STEP" == "libmfx" ]; then
   cd $SRC/libmfx
   if [[ ! -f "configure" ]]; then