diff --git a/Dockerfile-sdk b/Dockerfile-sdk
index d5bfcb4..6becb4c 100644
--- a/Dockerfile-sdk
+++ b/Dockerfile-sdk
@@ -6,5 +6,4 @@ COPY *.cc *.h *.js *.proto Makefile* *.a /sdk/
 
 RUN ./sdk_container.sh
 
-ENV PATH="${PATH}:/usr/local/go/bin:/root/go/bin" \
-    TEST_TMPDIR=/tmp
\ No newline at end of file
+ENV PATH="${PATH}:/usr/local/go/bin:/root/go/bin"
\ No newline at end of file