diff --git a/src/sbt-test/ash/script-debug/project/build.properties b/src/sbt-test/ash/script-debug/project/build.properties
deleted file mode 100644
index abbbce5da..000000000
--- a/src/sbt-test/ash/script-debug/project/build.properties
+++ /dev/null
@@ -1 +0,0 @@
-sbt.version=1.9.8
diff --git a/src/sbt-test/ash/script-help/project/build.properties b/src/sbt-test/ash/script-help/project/build.properties
deleted file mode 100644
index abbbce5da..000000000
--- a/src/sbt-test/ash/script-help/project/build.properties
+++ /dev/null
@@ -1 +0,0 @@
-sbt.version=1.9.8
diff --git a/src/sbt-test/bash/script-debug/project/build.properties b/src/sbt-test/bash/script-debug/project/build.properties
deleted file mode 100644
index abbbce5da..000000000
--- a/src/sbt-test/bash/script-debug/project/build.properties
+++ /dev/null
@@ -1 +0,0 @@
-sbt.version=1.9.8
diff --git a/src/sbt-test/bash/script-help/project/build.properties b/src/sbt-test/bash/script-help/project/build.properties
deleted file mode 100644
index abbbce5da..000000000
--- a/src/sbt-test/bash/script-help/project/build.properties
+++ /dev/null
@@ -1 +0,0 @@
-sbt.version=1.9.8