diff --git a/.env.sample b/.env.sample
index 1ed358bb074..01184ceb5a7 100644
--- a/.env.sample
+++ b/.env.sample
@@ -1,37 +1,37 @@
 # Location of the *postgres* database. For example, if you have created a
 # blank database locally named `cargo_registry`, this would be
 # `postgres://postgres@localhost/cargo_registry`.
-export DATABASE_URL=""
+export DATABASE_URL=
 
 # If you are running a mirror of crates.io, uncomment this line.
 # export MIRROR=1
 
 # Key to sign and encrypt cookies with. Change this to a long, random string
 # for production.
-export SESSION_KEY="badkey"
+export SESSION_KEY=badkey
 
 # If you will be running the tests, set this to another database that you
 # have created. Otherwise, leave this blank.
-export TEST_DATABASE_URL=""
+export TEST_DATABASE_URL=
 
 # Credentials for uploading packages to S3. You can leave these blank if
 # you're not publishing to s3 from your crates.io instance.
 # When running `cargo test`, set S3_BUCKET to `alexcrichton-test`.
-export S3_BUCKET=""
-export S3_ACCESS_KEY=""
-export S3_SECRET_KEY=""
-export S3_REGION=""      # not needed if the S3 bucket is in US standard
+export S3_BUCKET=
+export S3_ACCESS_KEY=
+export S3_SECRET_KEY=
+export S3_REGION=      # not needed if the S3 bucket is in US standard
 
 # Remote and local locations of the registry index. You can leave these to
 # use a `tmp` subdirectory of the working directory, which is what the
 # script in `./script/init-local-index.sh` will set up for you.
-export GIT_REPO_URL="file://./tmp/index-bare"
-export GIT_REPO_CHECKOUT="./tmp/index-co"
+export GIT_REPO_URL=file://./tmp/index-bare
+export GIT_REPO_CHECKOUT=./tmp/index-co
 
 # Credentials for talking to github. You can leave these blank if you're
 # not logging into your crates.io instance.
 # When registering a new application on github for use with your local
 # crates.io instance, be sure to set the callback url for that application
 # to the address `http://localhost:4200/authorize/github`.
-export GH_CLIENT_ID=""
-export GH_CLIENT_SECRET=""
+export GH_CLIENT_ID=
+export GH_CLIENT_SECRET=