diff --git a/src/libcrun/handlers/wamr.c b/src/libcrun/handlers/wamr.c
index 2e0aa57329..6af5345392 100644
--- a/src/libcrun/handlers/wamr.c
+++ b/src/libcrun/handlers/wamr.c
@@ -29,7 +29,6 @@
 #include <sys/types.h>
 #include <fcntl.h>
 #include <sched.h>
-#include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
 
@@ -125,7 +124,6 @@ libwamr_exec (void *cookie, __attribute__ ((unused)) libcrun_container_t *contai
   // load symbols from the shared library libiwasm.so
   bool (*wasm_runtime_init) ();
   RuntimeInitArgs init_args;
-  bool (*wasm_runtime_full_init) (RuntimeInitArgs * init_args);
   wasm_module_t module;
   wasm_module_t (*wasm_runtime_load) (uint8_t * buf, uint32_t size, char *error_buf, uint32_t error_buf_size);
   wasm_module_inst_t module_inst;
@@ -135,35 +133,26 @@ libwamr_exec (void *cookie, __attribute__ ((unused)) libcrun_container_t *contai
   wasm_exec_env_t exec_env;
   wasm_exec_env_t (*wasm_runtime_create_exec_env) (wasm_module_inst_t module_inst, uint32_t stack_size);
   bool (*wasm_runtime_call_wasm) (wasm_exec_env_t exec_env, wasm_function_inst_t function, uint32_t argc, uint32_t argv[]);
-  const char *(*wasm_runtime_get_exception) (wasm_module_inst_t module_inst);
   void (*wasm_runtime_destroy_exec_env) (wasm_exec_env_t exec_env);
   void (*wasm_runtime_deinstantiate) (wasm_module_inst_t module_inst);
   void (*wasm_runtime_unload) (wasm_module_t module);
   void (*wasm_runtime_destroy) ();
-  uint32_t (*wasm_runtime_get_wasi_exit_code) (wasm_module_inst_t module_inst);
-  bool (*wasm_application_execute_main) (wasm_module_inst_t module_inst, int32_t argc, char *argv[]);
   void (*wasm_runtime_set_wasi_args) (wasm_module_t module, const char *dir_list[], uint32_t dir_count, const char *map_dir_list[], uint32_t map_dir_count, const char *env[], uint32_t env_count, char *argv[], int argc);
 
   wasm_runtime_init = dlsym (cookie, "wasm_runtime_init");
-  wasm_runtime_full_init = dlsym (cookie, "wasm_runtime_full_init");
   wasm_runtime_load = dlsym (cookie, "wasm_runtime_load");
   wasm_runtime_instantiate = dlsym (cookie, "wasm_runtime_instantiate");
   wasm_runtime_lookup_function = dlsym (cookie, "wasm_runtime_lookup_function");
   wasm_runtime_create_exec_env = dlsym (cookie, "wasm_runtime_create_exec_env");
   wasm_runtime_call_wasm = dlsym (cookie, "wasm_runtime_call_wasm");
-  wasm_runtime_get_exception = dlsym (cookie, "wasm_runtime_get_exception");
   wasm_runtime_destroy_exec_env = dlsym (cookie, "wasm_runtime_destroy_exec_env");
   wasm_runtime_deinstantiate = dlsym (cookie, "wasm_runtime_deinstantiate");
   wasm_runtime_unload = dlsym (cookie, "wasm_runtime_unload");
   wasm_runtime_destroy = dlsym (cookie, "wasm_runtime_destroy");
-  wasm_runtime_get_wasi_exit_code = dlsym (cookie, "wasm_runtime_get_wasi_exit_code");
-  wasm_application_execute_main = dlsym (cookie, "wasm_application_execute_main");
   wasm_runtime_set_wasi_args = dlsym (cookie, "wasm_runtime_set_wasi_args");
 
   if (wasm_runtime_init == NULL)
     error (EXIT_FAILURE, 0, "could not find wasm_runtime_init symbol in `libiwasm.so`");
-  if (wasm_runtime_full_init == NULL)
-    error (EXIT_FAILURE, 0, "could not find wasm_runtime_full_init symbol in `libiwasm.so`");
   if (wasm_runtime_load == NULL)
     error (EXIT_FAILURE, 0, "could not find wasm_runtime_load symbol in `libiwasm.so`");
   if (wasm_runtime_instantiate == NULL)
@@ -174,8 +163,6 @@ libwamr_exec (void *cookie, __attribute__ ((unused)) libcrun_container_t *contai
     error (EXIT_FAILURE, 0, "could not find wasm_runtime_create_exec_env symbol in `libiwasm.so`");
   if (wasm_runtime_call_wasm == NULL)
     error (EXIT_FAILURE, 0, "could not find wasm_runtime_call_wasm symbol in `libiwasm.so`");
-  if (wasm_runtime_get_exception == NULL)
-    error (EXIT_FAILURE, 0, "could not find wasm_runtime_get_exception symbol in `libiwasm.so`");
   if (wasm_runtime_destroy_exec_env == NULL)
     error (EXIT_FAILURE, 0, "could not find wasm_runtime_destroy_exec_env symbol in `libiwasm.so`");
   if (wasm_runtime_deinstantiate == NULL)
@@ -184,10 +171,6 @@ libwamr_exec (void *cookie, __attribute__ ((unused)) libcrun_container_t *contai
     error (EXIT_FAILURE, 0, "could not find wasm_runtime_unload symbol in `libiwasm.so`");
   if (wasm_runtime_destroy == NULL)
     error (EXIT_FAILURE, 0, "could not find wasm_runtime_destroy symbol in `libiwasm.so`");
-  if (wasm_runtime_get_wasi_exit_code == NULL)
-    error (EXIT_FAILURE, 0, "could not find wasm_runtime_get_wasi_exit_code symbol in `libiwasm.so`");
-  if (wasm_application_execute_main == NULL)
-    error (EXIT_FAILURE, 0, "could not find wasm_application_execute_main symbol in `libiwasm.so`");
   if (wasm_runtime_set_wasi_args == NULL)
     error (EXIT_FAILURE, 0, "could not find wasm_runtime_set_wasi_args symbol in `libiwasm.so`");
 
@@ -225,7 +208,7 @@ libwamr_exec (void *cookie, __attribute__ ((unused)) libcrun_container_t *contai
   if (! module_inst)
     error (EXIT_FAILURE, 0, "Failed to instantiate the WASM module");
 
-  /* lookup a WASM function by its name The function signature can NULL here */
+  /* lookup a WASM function by its name; the function signature can be NULL here */
   func = wasm_runtime_lookup_function (module_inst, "_start");
   if (! func || func == NULL)
     error (EXIT_FAILURE, 0, "Failed to lookup the WASM function");