diff --git a/codex-rs/core/src/client.rs b/codex-rs/core/src/client.rs
index 8685bc54..fd530e0c 100644
--- a/codex-rs/core/src/client.rs
+++ b/codex-rs/core/src/client.rs
@@ -93,9 +93,7 @@ impl ModelClient {
                 // Wrap it with the aggregation adapter so callers see *only*
                 // the final assistant message per turn (matching the
                 // behaviour of the Responses API).
-                let mut aggregated = if self.config.show_reasoning_content
-                    && !self.config.hide_agent_reasoning
-                {
+                let mut aggregated = if !self.config.hide_agent_reasoning {
                     crate::chat_completions::AggregatedChatStream::streaming_mode(response_stream)
                 } else {
                     response_stream.aggregate()
diff --git a/codex-rs/core/src/codex.rs b/codex-rs/core/src/codex.rs
index 18bcf626..caebaed2 100644
--- a/codex-rs/core/src/codex.rs
+++ b/codex-rs/core/src/codex.rs
@@ -229,7 +229,6 @@ pub(crate) struct Session {
     state: Mutex<State>,
     codex_linux_sandbox_exe: Option<PathBuf>,
     user_shell: shell::Shell,
-    show_reasoning_content: bool,
     hide_agent_reasoning: bool,
 }
 
@@ -826,7 +825,6 @@ async fn submission_loop(
                     codex_linux_sandbox_exe: config.codex_linux_sandbox_exe.clone(),
                     disable_response_storage,
                     user_shell: default_shell,
-                    show_reasoning_content: config.show_reasoning_content,
                     hide_agent_reasoning: config.hide_agent_reasoning,
                 }));
 
@@ -1521,7 +1519,7 @@ async fn handle_response_item(
                     sess.tx_event.send(event).await.ok();
                 }
             }
-            if !sess.hide_agent_reasoning && sess.show_reasoning_content && content.is_some() {
+            if !sess.hide_agent_reasoning && content.is_some() {
                 let content = content.unwrap();
                 for item in content {
                     let text = match item {
diff --git a/codex-rs/core/src/config.rs b/codex-rs/core/src/config.rs
index 3277ca08..302c468b 100644
--- a/codex-rs/core/src/config.rs
+++ b/codex-rs/core/src/config.rs
@@ -57,10 +57,6 @@ pub struct Config {
     /// users are only interested in the final agent responses.
     pub hide_agent_reasoning: bool,
 
-    /// When `true`, the raw chain-of-thought text from reasoning events will be
-    /// displayed in the UI in addition to the reasoning summaries.
-    pub show_reasoning_content: bool,
-
     /// Disable server-side response storage (sends the full conversation
     /// context with every request). Currently necessary for OpenAI customers
     /// who have opted into Zero Data Retention (ZDR).
@@ -329,10 +325,6 @@ pub struct ConfigToml {
     /// UI/output. Defaults to `false`.
     pub hide_agent_reasoning: Option<bool>,
 
-    /// When set to `true`, raw chain-of-thought text from reasoning events will
-    /// be shown in the UI.
-    pub show_reasoning_content: Option<bool>,
-
     pub model_reasoning_effort: Option<ReasoningEffort>,
     pub model_reasoning_summary: Option<ReasoningSummary>,
 
@@ -499,15 +491,6 @@ impl Config {
         // Resolve hide/show reasoning flags with consistent precedence:
         // if hide is true, force show_reasoning_content to false.
         let hide_agent_reasoning_val = cfg.hide_agent_reasoning.unwrap_or(false);
-        let show_reasoning_content_val = if hide_agent_reasoning_val {
-            false
-        } else {
-            cfg.show_reasoning_content.unwrap_or(false)
-        };
-
-        if cfg.hide_agent_reasoning == Some(true) && cfg.show_reasoning_content == Some(true) {
-            tracing::warn!("Ignoring show_reasoning_content because hide_agent_reasoning is true");
-        }
 
         let config = Self {
             model,
@@ -539,7 +522,6 @@ impl Config {
             codex_linux_sandbox_exe,
 
             hide_agent_reasoning: hide_agent_reasoning_val,
-            show_reasoning_content: show_reasoning_content_val,
             model_reasoning_effort: config_profile
                 .model_reasoning_effort
                 .or(cfg.model_reasoning_effort)
@@ -913,7 +895,6 @@ disable_response_storage = true
                 tui: Tui::default(),
                 codex_linux_sandbox_exe: None,
                 hide_agent_reasoning: false,
-                show_reasoning_content: false,
                 model_reasoning_effort: ReasoningEffort::High,
                 model_reasoning_summary: ReasoningSummary::Detailed,
                 model_supports_reasoning_summaries: false,
@@ -964,7 +945,6 @@ disable_response_storage = true
             tui: Tui::default(),
             codex_linux_sandbox_exe: None,
             hide_agent_reasoning: false,
-            show_reasoning_content: false,
             model_reasoning_effort: ReasoningEffort::default(),
             model_reasoning_summary: ReasoningSummary::default(),
             model_supports_reasoning_summaries: false,
@@ -1030,7 +1010,6 @@ disable_response_storage = true
             tui: Tui::default(),
             codex_linux_sandbox_exe: None,
             hide_agent_reasoning: false,
-            show_reasoning_content: false,
             model_reasoning_effort: ReasoningEffort::default(),
             model_reasoning_summary: ReasoningSummary::default(),
             model_supports_reasoning_summaries: false,