diff --git a/.changelog/v0.8.0-beta1.md b/.changelog/v0.8.0-beta1.md
deleted file mode 100644
index cc2d3dc..0000000
--- a/.changelog/v0.8.0-beta1.md
+++ /dev/null
@@ -1 +0,0 @@
-Kotlin version: `v2.0.0`
\ No newline at end of file
diff --git a/.changelog/v0.9.0.md b/.changelog/v0.9.0.md
deleted file mode 100644
index df0d498..0000000
--- a/.changelog/v0.9.0.md
+++ /dev/null
@@ -1,3 +0,0 @@
-Kotlin version: `v2.0.0`
-
-No bugs seem to have been found yet, so the 'beta' is over.
diff --git a/.changelog/v2.0.0-0.9.0-dev1.md b/.changelog/v2.0.0-0.9.0-dev1.md
deleted file mode 100644
index 179b921..0000000
--- a/.changelog/v2.0.0-0.9.0-dev1.md
+++ /dev/null
@@ -1,5 +0,0 @@
-Kotlin version: `v2.0.0`
-
-> [!warning]
-> This is a version to test the CI configuration used for the release version, 
-and the content is no different from `0.9.0`.
diff --git a/.changelog/v2.0.20-Beta1-0.9.1.md b/.changelog/v2.0.20-Beta1-0.9.1.md
deleted file mode 100644
index 2731b35..0000000
--- a/.changelog/v2.0.20-Beta1-0.9.1.md
+++ /dev/null
@@ -1 +0,0 @@
-Kotlin version: `v2.0.20-Beta1`
\ No newline at end of file
diff --git a/.changelog/v2.0.20-Beta1-0.9.2.md b/.changelog/v2.0.20-Beta1-0.9.2.md
deleted file mode 100644
index 2731b35..0000000
--- a/.changelog/v2.0.20-Beta1-0.9.2.md
+++ /dev/null
@@ -1 +0,0 @@
-Kotlin version: `v2.0.20-Beta1`
\ No newline at end of file