diff --git a/src/common/src/config.rs b/src/common/src/config.rs
index 3b6dec9829128..6395cbf37ed15 100644
--- a/src/common/src/config.rs
+++ b/src/common/src/config.rs
@@ -827,12 +827,6 @@ pub struct FileCacheConfig {
     #[serde(default = "default::file_cache::recover_concurrency")]
     pub recover_concurrency: usize,
 
-    #[serde(default = "default::file_cache::lfu_window_to_cache_size_ratio")]
-    pub lfu_window_to_cache_size_ratio: usize,
-
-    #[serde(default = "default::file_cache::lfu_tiny_lru_capacity_ratio")]
-    pub lfu_tiny_lru_capacity_ratio: f64,
-
     #[serde(default = "default::file_cache::insert_rate_limit_mb")]
     pub insert_rate_limit_mb: usize,
 
@@ -1564,14 +1558,6 @@ pub mod default {
             8
         }
 
-        pub fn lfu_window_to_cache_size_ratio() -> usize {
-            1
-        }
-
-        pub fn lfu_tiny_lru_capacity_ratio() -> f64 {
-            0.01
-        }
-
         pub fn insert_rate_limit_mb() -> usize {
             0
         }
diff --git a/src/config/example.toml b/src/config/example.toml
index d3d0af3fe6cd1..b35590c85059b 100644
--- a/src/config/example.toml
+++ b/src/config/example.toml
@@ -165,8 +165,6 @@ file_capacity_mb = 64
 flushers = 4
 reclaimers = 4
 recover_concurrency = 8
-lfu_window_to_cache_size_ratio = 1
-lfu_tiny_lru_capacity_ratio = 0.01
 insert_rate_limit_mb = 0
 indexer_shards = 64
 compression = "none"
@@ -178,8 +176,6 @@ file_capacity_mb = 64
 flushers = 4
 reclaimers = 4
 recover_concurrency = 8
-lfu_window_to_cache_size_ratio = 1
-lfu_tiny_lru_capacity_ratio = 0.01
 insert_rate_limit_mb = 0
 indexer_shards = 64
 compression = "none"
diff --git a/src/storage/src/opts.rs b/src/storage/src/opts.rs
index f553c6ff5ce7a..e9792c5d5e4db 100644
--- a/src/storage/src/opts.rs
+++ b/src/storage/src/opts.rs
@@ -87,8 +87,6 @@ pub struct StorageOpts {
     pub data_file_cache_flushers: usize,
     pub data_file_cache_reclaimers: usize,
     pub data_file_cache_recover_concurrency: usize,
-    pub data_file_cache_lfu_window_to_cache_size_ratio: usize,
-    pub data_file_cache_lfu_tiny_lru_capacity_ratio: f64,
     pub data_file_cache_insert_rate_limit_mb: usize,
     pub data_file_cache_indexer_shards: usize,
     pub data_file_cache_compression: String,
@@ -107,8 +105,6 @@ pub struct StorageOpts {
     pub meta_file_cache_flushers: usize,
     pub meta_file_cache_reclaimers: usize,
     pub meta_file_cache_recover_concurrency: usize,
-    pub meta_file_cache_lfu_window_to_cache_size_ratio: usize,
-    pub meta_file_cache_lfu_tiny_lru_capacity_ratio: f64,
     pub meta_file_cache_insert_rate_limit_mb: usize,
     pub meta_file_cache_indexer_shards: usize,
     pub meta_file_cache_compression: String,
@@ -182,14 +178,6 @@ impl From<(&RwConfig, &SystemParamsReader, &StorageMemoryConfig)> for StorageOpt
             data_file_cache_flushers: c.storage.data_file_cache.flushers,
             data_file_cache_reclaimers: c.storage.data_file_cache.reclaimers,
             data_file_cache_recover_concurrency: c.storage.data_file_cache.recover_concurrency,
-            data_file_cache_lfu_window_to_cache_size_ratio: c
-                .storage
-                .data_file_cache
-                .lfu_window_to_cache_size_ratio,
-            data_file_cache_lfu_tiny_lru_capacity_ratio: c
-                .storage
-                .data_file_cache
-                .lfu_tiny_lru_capacity_ratio,
             data_file_cache_insert_rate_limit_mb: c.storage.data_file_cache.insert_rate_limit_mb,
             data_file_cache_indexer_shards: c.storage.data_file_cache.indexer_shards,
             data_file_cache_compression: c.storage.data_file_cache.compression.clone(),
@@ -199,14 +187,6 @@ impl From<(&RwConfig, &SystemParamsReader, &StorageMemoryConfig)> for StorageOpt
             meta_file_cache_flushers: c.storage.meta_file_cache.flushers,
             meta_file_cache_reclaimers: c.storage.meta_file_cache.reclaimers,
             meta_file_cache_recover_concurrency: c.storage.meta_file_cache.recover_concurrency,
-            meta_file_cache_lfu_window_to_cache_size_ratio: c
-                .storage
-                .meta_file_cache
-                .lfu_window_to_cache_size_ratio,
-            meta_file_cache_lfu_tiny_lru_capacity_ratio: c
-                .storage
-                .meta_file_cache
-                .lfu_tiny_lru_capacity_ratio,
             meta_file_cache_insert_rate_limit_mb: c.storage.meta_file_cache.insert_rate_limit_mb,
             meta_file_cache_indexer_shards: c.storage.meta_file_cache.indexer_shards,
             meta_file_cache_compression: c.storage.meta_file_cache.compression.clone(),