diff --git a/drivers/crypto/qat/qat_common/adf_cfg_user.h b/drivers/crypto/qat/qat_common/adf_cfg_user.h
index 0c38a155a865..ef5988afd4c6 100644
--- a/drivers/crypto/qat/qat_common/adf_cfg_user.h
+++ b/drivers/crypto/qat/qat_common/adf_cfg_user.h
@@ -53,14 +53,6 @@
 struct adf_user_cfg_key_val {
 	char key[ADF_CFG_MAX_KEY_LEN_IN_BYTES];
 	char val[ADF_CFG_MAX_VAL_LEN_IN_BYTES];
-	union {
-		char *user_val_ptr;
-		uint64_t padding1;
-	};
-	union {
-		struct adf_user_cfg_key_val *prev;
-		uint64_t padding2;
-	};
 	union {
 		struct adf_user_cfg_key_val *next;
 		uint64_t padding3;
@@ -74,10 +66,6 @@ struct adf_user_cfg_section {
 		struct adf_user_cfg_key_val *params;
 		uint64_t padding1;
 	};
-	union {
-		struct adf_user_cfg_section *prev;
-		uint64_t padding2;
-	};
 	union {
 		struct adf_user_cfg_section *next;
 		uint64_t padding3;