Removed unused argument from njs_function_lambda_call().
diff --git a/src/njs_async.c b/src/njs_async.c
index 380c44b..c74a6bb 100644
--- a/src/njs_async.c
+++ b/src/njs_async.c
@@ -29,7 +29,7 @@
         return NJS_ERROR;
     }
 
-    ret = njs_function_lambda_call(vm, capability, NULL);
+    ret = njs_function_lambda_call(vm, capability);
 
     if (ret == NJS_OK) {
         ret = njs_function_call(vm, njs_function(&capability->resolve),
diff --git a/src/njs_function.c b/src/njs_function.c
index e5a2905..4f32f7e 100644
--- a/src/njs_function.c
+++ b/src/njs_function.c
@@ -600,7 +600,7 @@
 
 
 njs_int_t
-njs_function_lambda_call(njs_vm_t *vm, void *promise_cap, void *async_ctx)
+njs_function_lambda_call(njs_vm_t *vm, void *promise_cap)
 {
     uint32_t               n;
     njs_int_t              ret;
@@ -690,7 +690,7 @@
         }
     }
 
-    ret = njs_vmcode_interpreter(vm, lambda->start, promise_cap, async_ctx);
+    ret = njs_vmcode_interpreter(vm, lambda->start, promise_cap, NULL);
 
     /* Restore current level. */
     vm->levels[NJS_LEVEL_LOCAL] = cur_local;
@@ -777,7 +777,7 @@
         return njs_function_native_call(vm);
 
     } else {
-        return njs_function_lambda_call(vm, NULL, NULL);
+        return njs_function_lambda_call(vm, NULL);
     }
 }
 
diff --git a/src/njs_function.h b/src/njs_function.h
index ee9a031..c2791d7 100644
--- a/src/njs_function.h
+++ b/src/njs_function.h
@@ -110,8 +110,7 @@
 njs_int_t njs_function_call2(njs_vm_t *vm, njs_function_t *function,
     const njs_value_t *this, const njs_value_t *args,
     njs_uint_t nargs, njs_value_t *retval, njs_bool_t ctor);
-njs_int_t njs_function_lambda_call(njs_vm_t *vm, void *promise_cap,
-    void *async_ctx);
+njs_int_t njs_function_lambda_call(njs_vm_t *vm, void *promise_cap);
 njs_int_t njs_function_native_call(njs_vm_t *vm);
 njs_native_frame_t *njs_function_frame_alloc(njs_vm_t *vm, size_t size);
 void njs_function_frame_free(njs_vm_t *vm, njs_native_frame_t *frame);