diff --git a/hack/validate/all b/hack/validate/all
index 3224fe57c2..281684af0d 100755
--- a/hack/validate/all
+++ b/hack/validate/all
@@ -2,7 +2,7 @@
 #
 # Run all validation
 
-export SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
 . ${SCRIPTDIR}/default
 . ${SCRIPTDIR}/vendor
diff --git a/hack/validate/dco b/hack/validate/dco
index 0e61ccca5d..6354d2b57f 100755
--- a/hack/validate/dco
+++ b/hack/validate/dco
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-export SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 source "${SCRIPTDIR}/.validate"
 
 adds=$(validate_diff --numstat | awk '{ s += $1 } END { print s }')
diff --git a/hack/validate/default b/hack/validate/default
index b48d9fa09c..bb531770d1 100755
--- a/hack/validate/default
+++ b/hack/validate/default
@@ -2,7 +2,7 @@
 #
 # Run default validation, exclude vendor because it's slow
 
-export SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
 # Skip DCO check here, as it's already checked in a separate stage in the Jenkinsfile
 #. "${SCRIPTDIR}"/dco
diff --git a/hack/validate/default-seccomp b/hack/validate/default-seccomp
index c5f8c7e3c8..aea27d12af 100755
--- a/hack/validate/default-seccomp
+++ b/hack/validate/default-seccomp
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-export SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 source "${SCRIPTDIR}/.validate"
 
 IFS=$'\n'
diff --git a/hack/validate/deprecate-integration-cli b/hack/validate/deprecate-integration-cli
index f53b48eedc..f7b273c9f7 100755
--- a/hack/validate/deprecate-integration-cli
+++ b/hack/validate/deprecate-integration-cli
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 # Check that no new tests are being added to integration-cli
 
-export SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 source "${SCRIPTDIR}/.validate"
 
 new_tests=$(
diff --git a/hack/validate/pkg-imports b/hack/validate/pkg-imports
index bba762d99f..c8ba223f63 100755
--- a/hack/validate/pkg-imports
+++ b/hack/validate/pkg-imports
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -e
 
-export SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 source "${SCRIPTDIR}/.validate"
 
 IFS=$'\n'
diff --git a/hack/validate/swagger b/hack/validate/swagger
index 1ed8d3bcd1..5313221b7b 100755
--- a/hack/validate/swagger
+++ b/hack/validate/swagger
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 set -e
-export SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 source "${SCRIPTDIR}/.validate"
 
 IFS=$'\n'
diff --git a/hack/validate/swagger-gen b/hack/validate/swagger-gen
index 0d000ea39b..40631703cd 100755
--- a/hack/validate/swagger-gen
+++ b/hack/validate/swagger-gen
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-export SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 source "${SCRIPTDIR}/.validate"
 
 IFS=$'\n'
diff --git a/hack/validate/toml b/hack/validate/toml
index 7f1739ab84..fe86cac1a7 100755
--- a/hack/validate/toml
+++ b/hack/validate/toml
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-export SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 source "${SCRIPTDIR}/.validate"
 
 IFS=$'\n'