--- a/third_party/libva_protected_content/va_protected_content.h
+++ b/third_party/libva_protected_content/va_protected_content.h
@@ -132,19 +132,6 @@
 #define VA_PC_SAMPLE_TYPE_FULLSAMPLE 0x00000001
 #define VA_PC_SAMPLE_TYPE_SUBSAMPLE 0x00000002
 
-/** \brief TeeExec Function Codes. */
-typedef enum _VA_TEE_EXEC_FUNCTION_ID {
-  VA_TEE_EXEC_TEE_FUNCID_PASS_THROUGH_NONE = 0x0,
-
-  // 0x40000000~0x400000FFF reserved for TEE Exec GPU function
-  VA_TEE_EXEC_GPU_FUNCID_ENCRYPTION_BLT = 0x40000000,
-  VA_TEE_EXEC_GPU_FUNCID_DECRYPTION_BLT = 0x40000001,
-
-  // 0x40001000~0x400001FFF reserved for TEE Exec TEE function
-  VA_TEE_EXEC_TEE_FUNCID_PASS_THROUGH = 0x40001000,
-
-} VA_TEE_EXEC_FUNCTION_ID;
-
 /** \brief values for the encryption return status. */
 typedef enum {
   /** \brief Indicate encryption operation is successful.*/
@@ -159,63 +146,6 @@
   VA_ENCRYPTION_STATUS_UNSUPPORT
 } VAEncryptionStatus;
 
-/** \brief structure for encrypted segment info. */
-typedef struct _VAEncryptionSegmentInfo {
-  /** \brief  The offset relative to the start of the bitstream input in
-   *  bytes of the start of the segment*/
-  uint32_t segment_start_offset;
-  /** \brief  The length of the segments in bytes*/
-  uint32_t segment_length;
-  /** \brief  The length in bytes of the remainder of an incomplete block
-   *  from a previous segment*/
-  uint32_t partial_aes_block_size;
-  /** \brief  The length in bytes of the initial clear data */
-  uint32_t init_byte_length;
-  /** \brief  This will be AES 128 counter for secure decode and secure
-   *  encode when numSegments equals 1 */
-  uint8_t aes_cbc_iv_or_ctr[16];
-  /** \brief Reserved bytes for future use, must be zero */
-  uint32_t va_reserved[VA_PADDING_MEDIUM];
-} VAEncryptionSegmentInfo;
-
-/** \brief encryption parameters, corresponding to
- * #VAEncryptionParameterBufferType*/
-typedef struct _VAEncryptionParameters {
-  /** \brief Encryption type, attribute values. */
-  uint32_t encryption_type;
-  /** \brief The number of sengments */
-  uint32_t num_segments;
-  /** \brief Pointer of segments */
-  VAEncryptionSegmentInfo* segment_info;
-  /** \brief The status report index for CENC workload.
-   *  The value is to indicate CENC workload and needs to be
-   *  different for each CENC workload */
-  uint32_t status_report_index;
-  /** \brief CENC counter length */
-  uint32_t size_of_length;
-  /** \brief Wrapped decrypt blob (Snd)kb */
-  uint8_t wrapped_decrypt_blob[16];
-  /** \brief Wrapped Key blob info (Sne)kb */
-  uint8_t wrapped_encrypt_blob[16];
-  /** \brief Indicates the number of 16-byte BLOCKS that are encrypted in any
-   *  given encrypted region of segments.
-   *  If this value is zero:
-   *    1. All bytes in encrypted region of segments are encrypted, i.e. the
-   *       CENC or CBC1 scheme is being used
-   *    2. blocks_stripe_clear must also be zero.
-   *  If this value is non-zero, blocks_stripe_clear must also be non-zero. */
-  uint32_t blocks_stripe_encrypted;
-  /** \brief Indicates the number of 16-byte BLOCKS that are clear in any given
-   *  encrypted region of segments, as defined by the CENS and CBCS schemes in
-   *  the common encryption spec.
-   *  If this value is zero, all bytes in encrypted region of segments are
-   *  encrypted, i.e. the CENC or CBC1 scheme is being used.
-   */
-  uint32_t blocks_stripe_clear;
-  /** \brief Reserved bytes for future use, must be zero */
-  uint32_t va_reserved[VA_PADDING_MEDIUM];
-} VAEncryptionParameters;
-
 /** \brief structure for VA_TEE_EXEC_GPU_FUNCID_ENCRYPTION_BLT */
 typedef struct _VA_PROTECTED_BLT_PARAMS {
   uint8_t* src_resource;  // The source resource which contains the clear data.