diff --git a/.chloggen/fix_clickhouse_exporter_default_ttl_settings.yaml b/.chloggen/fix_clickhouse_exporter_default_ttl_settings.yaml
new file mode 100644
index 000000000000..bf5ca50c697e
--- /dev/null
+++ b/.chloggen/fix_clickhouse_exporter_default_ttl_settings.yaml
@@ -0,0 +1,16 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: bug_fix
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: clickhouseexporter
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Fix clickhouse exporter default TTL settings.
+
+# One or more tracking issues related to the change
+issues: [20302]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
diff --git a/exporter/clickhouseexporter/factory.go b/exporter/clickhouseexporter/factory.go
index c7176b9db2d8..d9703ced5a8a 100644
--- a/exporter/clickhouseexporter/factory.go
+++ b/exporter/clickhouseexporter/factory.go
@@ -51,7 +51,7 @@ func createDefaultConfig() component.Config {
 		LogsTableName:    "otel_logs",
 		TracesTableName:  "otel_traces",
 		MetricsTableName: "otel_metrics",
-		TTLDays:          7,
+		TTLDays:          0,
 	}
 }