diff --git a/test/tools_common.sh b/test/tools_common.sh
index aa446c9c2fa7e7d658d9d896d3addad70616cbcd..45b77717861b82ede51229ca07d997866fb2a4ad 100755
--- a/test/tools_common.sh
+++ b/test/tools_common.sh
@@ -416,6 +416,17 @@ if [ "$(is_windows_target)" = "yes" ]; then
   VPX_TEST_EXE_SUFFIX=".exe"
 fi
 
+# Variables shared by tests.
+VP8_IVF_FILE="${LIBVPX_TEST_DATA_PATH}/vp80-00-comprehensive-001.ivf"
+VP9_IVF_FILE="${LIBVPX_TEST_DATA_PATH}/vp90-2-09-subpixel-00.ivf"
+
+VP9_WEBM_FILE="${LIBVPX_TEST_DATA_PATH}/vp90-2-00-quantizer-00.webm"
+
+YUV_RAW_INPUT="${LIBVPX_TEST_DATA_PATH}/hantro_collage_w352h288.yuv"
+YUV_RAW_INPUT_WIDTH=352
+YUV_RAW_INPUT_HEIGHT=288
+
+# Setup a trap function to clean up after tests complete.
 trap cleanup EXIT
 
 if [ "${VPX_TEST_VERBOSE_OUTPUT}" = "yes" ]; then
diff --git a/test/vpxdec.sh b/test/vpxdec.sh
index d236f973b8e1d11b09b54cdcecf7158bc316ae79..093230b694a2bc6c0ab3808065c8b32d82119b8f 100755
--- a/test/vpxdec.sh
+++ b/test/vpxdec.sh
@@ -14,9 +14,6 @@
 ##
 . $(dirname $0)/tools_common.sh
 
-VP8_IVF_FILE="${LIBVPX_TEST_DATA_PATH}/vp80-00-comprehensive-001.ivf"
-VP9_WEBM_FILE="${LIBVPX_TEST_DATA_PATH}/vp90-2-00-quantizer-00.webm"
-
 # Environment check: Make sure input is available.
 vpxdec_verify_environment() {
   if [ ! -e "${VP8_IVF_FILE}" ] || [ ! -e "${VP9_WEBM_FILE}" ]; then
diff --git a/test/vpxenc.sh b/test/vpxenc.sh
index 89e4eb39c804e51e71033d381d69d65b51018b61..f08c048785ed2c2ee06345f00876abe3fc8fc976 100755
--- a/test/vpxenc.sh
+++ b/test/vpxenc.sh
@@ -15,9 +15,6 @@
 ##
 . $(dirname $0)/tools_common.sh
 
-YUV_RAW_INPUT="${LIBVPX_TEST_DATA_PATH}/hantro_collage_w352h288.yuv"
-YUV_RAW_INPUT_WIDTH=352
-YUV_RAW_INPUT_HEIGHT=288
 TEST_FRAMES=10
 
 # Environment check: Make sure input is available.