diff --git a/Readme.md b/Readme.md
index 52edf61..10932ed 100644
--- a/Readme.md
+++ b/Readme.md
@@ -22,10 +22,7 @@ Add a crontab entry (on linux) to run `ooniprobe` daily at a random time:
 
 ## Development setup
 
-Be sure you have golang >= 1.13. We use Go modules. Make sure you
-don't have GOPATH set.
-
-Run
+Be sure you have golang >= 1.13. We use golang modules. Run
 
 ```
 ./build.sh help
diff --git a/build.sh b/build.sh
index d01cde8..81712b3 100755
--- a/build.sh
+++ b/build.sh
@@ -1,10 +1,6 @@
 #!/bin/sh
 set -e
 
-if [ "$GOPATH" != "" ]; then
-  unset GOPATH
-fi
-
 buildtags=""
 ldflags="-s -w"