diff --git a/hw/tpm/tpm_tis.h b/hw/tpm/tpm_tis.h
index a1df41fa21..31e612a7f4 100644
--- a/hw/tpm/tpm_tis.h
+++ b/hw/tpm/tpm_tis.h
@@ -37,6 +37,11 @@ typedef enum {
     TPM_TIS_STATE_RECEPTION,
 } TPMTISState;
 
+typedef struct TPMSizedBuffer {
+    uint32_t size;
+    uint8_t  *buffer;
+} TPMSizedBuffer;
+
 /* locality data  -- all fields are persisted */
 typedef struct TPMLocality {
     TPMTISState state;
diff --git a/include/sysemu/tpm_backend.h b/include/sysemu/tpm_backend.h
index adb6a68076..63093551a1 100644
--- a/include/sysemu/tpm_backend.h
+++ b/include/sysemu/tpm_backend.h
@@ -66,11 +66,6 @@ struct TPMBackendClass {
     void (*handle_request)(TPMBackend *s, TPMBackendCmd cmd);
 };
 
-typedef struct TPMSizedBuffer {
-    uint32_t size;
-    uint8_t  *buffer;
-} TPMSizedBuffer;
-
 struct TPMDriverOps {
     enum TpmType type;
     const QemuOptDesc *opts;