diff --git a/common/src/config.rs b/common/src/config.rs
index a76d416..91e456f 100644
--- a/common/src/config.rs
+++ b/common/src/config.rs
@@ -12,6 +12,10 @@ use crate::{
     },
 };
 
+pub fn default_true() -> bool {
+    true
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(deny_unknown_fields)]
 pub struct ConfigQuicPlugin {
@@ -26,13 +30,13 @@ pub struct ConfigQuicPlugin {
     pub compression_parameters: CompressionParameters,
     #[serde(default = "ConfigQuicPlugin::default_number_of_retries")]
     pub number_of_retries: u64,
-    #[serde(default = "ConfigQuicPlugin::default_allow_accounts")]
+    #[serde(default = "default_true")]
     pub allow_accounts: bool,
     #[serde(default)]
     pub allow_accounts_at_startup: bool,
-    #[serde(default = "ConfigQuicPlugin::default_enable_block_builder")]
+    #[serde(default = "default_true")]
     pub enable_block_builder: bool,
-    #[serde(default)]
+    #[serde(default = "default_true")]
     pub build_blocks_with_accounts: bool,
 }
 
@@ -48,14 +52,6 @@ impl ConfigQuicPlugin {
     fn default_log_level() -> String {
         "info".to_string()
     }
-
-    fn default_allow_accounts() -> bool {
-        true
-    }
-
-    fn default_enable_block_builder() -> bool {
-        true
-    }
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize, Copy)]
diff --git a/common/src/defaults.rs b/common/src/defaults.rs
index b2a26cb..22213f4 100644
--- a/common/src/defaults.rs
+++ b/common/src/defaults.rs
@@ -3,11 +3,11 @@ pub const DEFAULT_MAX_RECIEVE_WINDOW_SIZE: u64 = 24 * 1024 * 1024; // 24 MBs
 pub const DEFAULT_CONNECTION_TIMEOUT: u64 = 10;
 pub const DEFAULT_MAX_NB_CONNECTIONS: u64 = 10;
 pub const DEFAULT_MAX_ACK_DELAY: u64 = 25;
-pub const DEFAULT_ACK_EXPONENT: u64 = 2;
+pub const DEFAULT_ACK_EXPONENT: u64 = 3;
 pub const ALPN_GEYSER_PROTOCOL_ID: &[u8] = b"geyser";
 pub const MAX_DATAGRAM_SIZE: usize = 1350;
 pub const MAX_PAYLOAD_BUFFER: usize = 5 * MAX_DATAGRAM_SIZE;
 pub const DEFAULT_ENABLE_PACING: bool = true;
-pub const DEFAULT_USE_CC_BBR: bool = false;
-pub const DEFAULT_INCREMENTAL_PRIORITY: bool = false;
+pub const DEFAULT_USE_CC_BBR: bool = true;
+pub const DEFAULT_INCREMENTAL_PRIORITY: bool = true;
 pub const DEFAULT_ENABLE_GSO: bool = true;