diff --git a/tools/dockerfile/interoptest/grpc_interop_dart/Dockerfile b/tools/dockerfile/interoptest/grpc_interop_dart/Dockerfile
index 12529e9bf80..ad4425d73be 100644
--- a/tools/dockerfile/interoptest/grpc_interop_dart/Dockerfile
+++ b/tools/dockerfile/interoptest/grpc_interop_dart/Dockerfile
@@ -27,8 +27,6 @@ RUN sh -c 'curl https://storage.googleapis.com/download.dartlang.org/linux/debia
 # Install Dart
 RUN apt-get update && apt-get -y install dart
 
-RUN ls -l /usr/lib/dart/bin
-
 ENV PATH $PATH:/usr/lib/dart/bin
 
 # Define the default command.
diff --git a/tools/dockerfile/interoptest/grpc_interop_dart/build_interop.sh b/tools/dockerfile/interoptest/grpc_interop_dart/build_interop.sh
index 51e0464b005..c4cb6829d3b 100644
--- a/tools/dockerfile/interoptest/grpc_interop_dart/build_interop.sh
+++ b/tools/dockerfile/interoptest/grpc_interop_dart/build_interop.sh
@@ -22,7 +22,5 @@ git clone /var/local/jenkins/grpc-dart /var/local/git/grpc-dart
 # copy service account keys if available
 cp -r /var/local/jenkins/service_account $HOME || true
 
-export PATH=$PATH:/usr/lib/dart/bin
-
 cd /var/local/git/grpc-dart/interop
-pub get
+/usr/lib/dart/bin/pub get