diff --git a/packages/opencode/src/session/message-v2.ts b/packages/opencode/src/session/message-v2.ts
index e4239cad..2d850e0a 100644
--- a/packages/opencode/src/session/message-v2.ts
+++ b/packages/opencode/src/session/message-v2.ts
@@ -109,7 +109,6 @@ export namespace MessageV2 {
     type: z.literal("text"),
     text: z.string(),
     synthetic: z.boolean().optional(),
-    metadata: z.record(z.string(), z.any()).optional(),
     time: z
       .object({
         start: z.number(),
@@ -139,7 +138,6 @@ export namespace MessageV2 {
     callID: z.string(),
     tool: z.string(),
     state: ToolState,
-    metadata: z.record(z.string(), z.any()).optional(),
   }).meta({
     ref: "ToolPart",
   })
@@ -521,7 +519,6 @@ export namespace MessageV2 {
                 {
                   type: "text",
                   text: part.text,
-                  providerMetadata: part.metadata,
                 },
               ]
             if (part.type === "step-start")
@@ -539,7 +536,6 @@ export namespace MessageV2 {
                     toolCallId: part.callID,
                     input: part.state.input,
                     output: part.state.time.compacted ? "[Old tool result content cleared]" : part.state.output,
-                    callProviderMetadata: part.metadata,
                   },
                 ]
               if (part.state.status === "error")
diff --git a/packages/opencode/src/session/prompt.ts b/packages/opencode/src/session/prompt.ts
index c4693995..c6140325 100644
--- a/packages/opencode/src/session/prompt.ts
+++ b/packages/opencode/src/session/prompt.ts
@@ -873,6 +873,7 @@ export namespace SessionPrompt {
                 if (value.id in reasoningMap) {
                   const part = reasoningMap[value.id]
                   part.text = part.text.trimEnd()
+
                   part.time = {
                     ...part.time,
                     end: Date.now(),
@@ -890,7 +891,6 @@ export namespace SessionPrompt {
                   type: "tool",
                   tool: value.toolName,
                   callID: value.id,
-                  metadata: value.providerMetadata,
                   state: {
                     status: "pending",
                   },
@@ -910,7 +910,6 @@ export namespace SessionPrompt {
                   const part = await Session.updatePart({
                     ...match,
                     tool: value.toolName,
-                    metadata: match.metadata,
                     state: {
                       status: "running",
                       input: value.input,
@@ -1017,7 +1016,6 @@ export namespace SessionPrompt {
                   sessionID: assistantMsg.sessionID,
                   type: "text",
                   text: "",
-                  metadata: value.providerMetadata,
                   time: {
                     start: Date.now(),
                   },
@@ -1027,7 +1025,6 @@ export namespace SessionPrompt {
               case "text-delta":
                 if (currentText) {
                   currentText.text += value.text
-                  if (value.providerMetadata) currentText.metadata = value.providerMetadata
                   if (currentText.text) await Session.updatePart(currentText)
                 }
                 break
@@ -1035,7 +1032,6 @@ export namespace SessionPrompt {
               case "text-end":
                 if (currentText) {
                   currentText.text = currentText.text.trimEnd()
-                  if (value.providerMetadata) currentText.metadata = value.providerMetadata
                   currentText.time = {
                     start: Date.now(),
                     end: Date.now(),