Remove unused env variables
diff --git a/compile.sh b/compile.sh
index c33c202..b686c77 100755
--- a/compile.sh
+++ b/compile.sh
@@ -297,9 +297,6 @@
export ANDROID_NDK=$ANDROID_NDK
export GCCVER=$GCCVER
export CXXSTL=$CXXSTL
-export ANDROID_SYS_HEADERS_GINGERBREAD=$ANDROID_SYS_HEADERS_GINGERBREAD
-export ANDROID_SYS_HEADERS_HC=$ANDROID_SYS_HEADERS_HC
-export ANDROID_SYS_HEADERS_ICS=$ANDROID_SYS_HEADERS_ICS
export SFLPHONE_BUILD_DIR=$PWD/sflphone/android
export TARGET_TUPLE=$TARGET_TUPLE
export PATH_HOST=$PATH_HOST