diff --git a/src/arrays.c b/src/arrays.c
index 09f7860..64e8414 100644
--- a/src/arrays.c
+++ b/src/arrays.c
@@ -298,6 +298,11 @@ void float_array_init(float_array *array) {
     array->length = 0;
 }
 
+void float_array_free(float_array *array) {
+    free(array->items);
+    float_array_init(array);
+}
+
 double double_array_get(const double_array *array, int32_t index) {
     if (index >= 0 && index < array->length) {
         return array->items[index];
diff --git a/src/arrays.h b/src/arrays.h
index 18a146a..4e309f3 100644
--- a/src/arrays.h
+++ b/src/arrays.h
@@ -109,6 +109,7 @@ float float_array_get(const float_array *array, int32_t index);
 void float_array_set(float_array *array, const float value, int32_t index);
 void float_array_allocate(float_array *array, int32_t capacity);
 void float_array_init(float_array *array);
+void float_array_free(float_array *array);
 
 typedef struct {
     double *items;
diff --git a/src/main.c b/src/main.c
index 8dcbbc9..8a4f683 100644
--- a/src/main.c
+++ b/src/main.c
@@ -185,6 +185,10 @@ cleanup:
     free(NULL);
     free(session_data);
     free(lap_timestamps);
+    float_array_free(&throttle_data_all);
+    float_array_free(&brake_data_all);
+    float_array_free(&steering_data_all);
+    float_array_free(&speed_data_all);
     duckdb_disconnect(&conn);
     duckdb_close(&db);
     goto exit;