diff --git a/.docker/build-linux.sh b/.docker/build-linux.sh
index f69c8a38..5d9ae7e2 100755
--- a/.docker/build-linux.sh
+++ b/.docker/build-linux.sh
@@ -121,6 +121,9 @@ case "-$BUILD_TYPE-" in
   *-release-*)
     CMAKE_ARGS="${CMAKE_ARGS} -DCMAKE_BUILD_TYPE=Release"
     CMAKE_ARGS="${CMAKE_ARGS} -DWITH_BENCHMARKS=1"
+    export CFLAGS="-ffunction-sections -fdata-sections -fvisibility=hidden -fmerge-all-constants"
+    export CXXFLAGS="${CFLAGS}"
+    export LDFLAGS="-Wl,--gc-sections"
     ;;
   *-relsize-*)
     CMAKE_ARGS="${CMAKE_ARGS} -DCMAKE_BUILD_TYPE=MinSizeRel"