diff --git a/src/meta_plugin/cwd.rs b/src/meta_plugin/cwd.rs
index 0783682..d54e0fe 100644
--- a/src/meta_plugin/cwd.rs
+++ b/src/meta_plugin/cwd.rs
@@ -3,7 +3,6 @@ use crate::meta_plugin::{MetaPlugin, MetaPluginType};
 
 #[derive(Debug, Clone, Default)]
 pub struct CwdMetaPlugin {
-    meta_name: String,
     is_finalized: bool,
     base: crate::meta_plugin::BaseMetaPlugin,
 }
@@ -34,7 +33,6 @@ impl CwdMetaPlugin {
         }
         
         CwdMetaPlugin {
-            meta_name: "cwd".to_string(),
             is_finalized: false,
             base,
         }
diff --git a/src/meta_plugin/digest.rs b/src/meta_plugin/digest.rs
index 754fae0..339cc32 100644
--- a/src/meta_plugin/digest.rs
+++ b/src/meta_plugin/digest.rs
@@ -63,7 +63,6 @@ impl Hasher {
 pub struct DigestMetaPlugin {
     hasher: Option<Hasher>,
     is_finalized: bool,
-    meta_name: String,
     outputs: std::collections::HashMap<String, serde_yaml::Value>,
     options: std::collections::HashMap<String, serde_yaml::Value>,
 }
@@ -146,7 +145,6 @@ impl DigestMetaPlugin {
         
         plugin
     }
-    
 }
 
 impl MetaPlugin for DigestMetaPlugin {
diff --git a/src/meta_plugin/hostname.rs b/src/meta_plugin/hostname.rs
index f61fc04..9fa8b41 100644
--- a/src/meta_plugin/hostname.rs
+++ b/src/meta_plugin/hostname.rs
@@ -2,7 +2,6 @@ use crate::meta_plugin::{MetaPlugin, MetaPluginType};
 
 #[derive(Debug, Clone, Default)]
 pub struct HostnameMetaPlugin {
-    meta_name: String,
     is_finalized: bool,
     outputs: std::collections::HashMap<String, serde_yaml::Value>,
     options: std::collections::HashMap<String, serde_yaml::Value>,
@@ -106,7 +105,6 @@ impl HostnameMetaPlugin {
         }
         
         HostnameMetaPlugin {
-            meta_name: "hostname".to_string(),
             is_finalized: false,
             outputs: final_outputs,
             options: final_options,
diff --git a/src/meta_plugin/keep_pid.rs b/src/meta_plugin/keep_pid.rs
index eb1bd71..772f4cc 100644
--- a/src/meta_plugin/keep_pid.rs
+++ b/src/meta_plugin/keep_pid.rs
@@ -3,7 +3,6 @@ use crate::meta_plugin::{MetaPlugin, MetaPluginType};
 
 #[derive(Debug, Clone, Default)]
 pub struct KeepPidMetaPlugin {
-    meta_name: String,
     is_finalized: bool,
     outputs: std::collections::HashMap<String, serde_yaml::Value>,
     options: std::collections::HashMap<String, serde_yaml::Value>,
@@ -35,7 +34,6 @@ impl KeepPidMetaPlugin {
         }
         
         KeepPidMetaPlugin {
-            meta_name: "keep_pid".to_string(),
             is_finalized: false,
             outputs: final_outputs,
             options: final_options,
diff --git a/src/meta_plugin/read_rate.rs b/src/meta_plugin/read_rate.rs
index e56544d..b857520 100644
--- a/src/meta_plugin/read_rate.rs
+++ b/src/meta_plugin/read_rate.rs
@@ -7,7 +7,6 @@ pub struct ReadRateMetaPlugin {
     start_time: Option<Instant>,
     bytes_read: u64,
     is_finalized: bool,
-    meta_name: String,
     outputs: std::collections::HashMap<String, serde_yaml::Value>,
     options: std::collections::HashMap<String, serde_yaml::Value>,
 }
@@ -41,7 +40,6 @@ impl ReadRateMetaPlugin {
             start_time: None,
             bytes_read: 0,
             is_finalized: false,
-            meta_name: "read_rate".to_string(),
             outputs: final_outputs,
             options: final_options,
         }
diff --git a/src/meta_plugin/read_time.rs b/src/meta_plugin/read_time.rs
index b29b766..eddffe1 100644
--- a/src/meta_plugin/read_time.rs
+++ b/src/meta_plugin/read_time.rs
@@ -6,7 +6,6 @@ use crate::meta_plugin::{MetaPlugin, MetaPluginType};
 pub struct ReadTimeMetaPlugin {
     start_time: Option<Instant>,
     is_finalized: bool,
-    meta_name: String,
     outputs: std::collections::HashMap<String, serde_yaml::Value>,
     options: std::collections::HashMap<String, serde_yaml::Value>,
 }
@@ -39,7 +38,6 @@ impl ReadTimeMetaPlugin {
         ReadTimeMetaPlugin {
             start_time: None,
             is_finalized: false,
-            meta_name: "read_time".to_string(),
             outputs: final_outputs,
             options: final_options,
         }
diff --git a/src/meta_plugin/shell.rs b/src/meta_plugin/shell.rs
index 59227c0..9c67d79 100644
--- a/src/meta_plugin/shell.rs
+++ b/src/meta_plugin/shell.rs
@@ -3,7 +3,6 @@ use crate::meta_plugin::{MetaPlugin, MetaPluginType};
 
 #[derive(Debug, Clone, Default)]
 pub struct ShellMetaPlugin {
-    meta_name: String,
     is_finalized: bool,
     outputs: std::collections::HashMap<String, serde_yaml::Value>,
     options: std::collections::HashMap<String, serde_yaml::Value>,
@@ -35,7 +34,6 @@ impl ShellMetaPlugin {
         }
         
         ShellMetaPlugin {
-            meta_name: "shell".to_string(),
             is_finalized: false,
             outputs: final_outputs,
             options: final_options,
diff --git a/src/meta_plugin/shell_pid.rs b/src/meta_plugin/shell_pid.rs
index b11427b..21297e0 100644
--- a/src/meta_plugin/shell_pid.rs
+++ b/src/meta_plugin/shell_pid.rs
@@ -4,7 +4,6 @@ use crate::meta_plugin::{MetaPlugin, MetaPluginType};
 
 #[derive(Debug, Clone, Default)]
 pub struct ShellPidMetaPlugin {
-    meta_name: String,
     is_finalized: bool,
     outputs: std::collections::HashMap<String, serde_yaml::Value>,
     options: std::collections::HashMap<String, serde_yaml::Value>,
@@ -36,7 +35,6 @@ impl ShellPidMetaPlugin {
         }
         
         ShellPidMetaPlugin {
-            meta_name: "shell_pid".to_string(),
             is_finalized: false,
             outputs: final_outputs,
             options: final_options,