diff --git a/src/command.c b/src/command.c
index 58e3b65..3388e8b 100644
--- a/src/command.c
+++ b/src/command.c
@@ -35,4 +35,24 @@ cmd_desc_t *get_desc(char name[])
       return &cmd_desc[i];
 
   return NULL;
+}
+
+void command_free(command_t *cmd)
+{
+  if (cmd->arg_v != NULL)
+    free(cmd->arg_v);
+
+  free(cmd);
+}
+
+void command_arr_free(command_t **arr)
+{
+  int pos = 0;
+  while (arr[pos] != NULL)
+  {
+    command_free(arr[pos]);
+    pos++;
+  }
+
+  free(arr);
 }
\ No newline at end of file
diff --git a/src/command.h b/src/command.h
index 45493c5..c1b87a7 100644
--- a/src/command.h
+++ b/src/command.h
@@ -41,5 +41,7 @@ typedef struct
 
 command_t *command_new(cmd_code_t type, int args[]);
 cmd_desc_t *get_desc(char name[]);
+void command_free(command_t *cmd);
+void command_arr_free(command_t **arr);
 
 #endif
\ No newline at end of file
diff --git a/src/main.c b/src/main.c
index 42d6145..77f8a0a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -61,11 +61,16 @@ int main(int argc, char *argv[])
     command_t **commands = read_bin_file(argv[2], res);
     if (commands == NULL)
     {
+      stack_free(stack);
       fprintf(stderr, "Couldn't read file\n");
       return 1;
     }
 
-    return run(commands, stack);
+    int response = run(commands, stack);
+
+    stack_free(stack);
+    command_arr_free(commands);
+    return response;
   }
   else
   {
diff --git a/src/read_bin.c b/src/read_bin.c
index f1d4091..d851e0c 100644
--- a/src/read_bin.c
+++ b/src/read_bin.c
@@ -31,5 +31,7 @@ command_t **read_bin_file(char src[], int *res)
 
   buffer[size] = NULL;
 
+  fclose(file);
+
   return buffer;
 }
diff --git a/src/stack.c b/src/stack.c
index 5e5e568..dcc2e43 100644
--- a/src/stack.c
+++ b/src/stack.c
@@ -59,4 +59,10 @@ int stack_get(stack_t *stack, int pos, int *result)
   }
 
   return stack->mem[pos];
+}
+
+void stack_free(stack_t *stack)
+{
+  free(stack->mem);
+  free(stack);
 }
\ No newline at end of file
diff --git a/src/stack.h b/src/stack.h
index e964460..cb99495 100644
--- a/src/stack.h
+++ b/src/stack.h
@@ -14,5 +14,6 @@ stack_t *stack_new(int size, int *result);
 int stack_push(stack_t *stack, int value, int *result);
 int stack_pop(stack_t *stack, int *result);
 int stack_get(stack_t *stack, int pos, int *result);
+void stack_free(stack_t *stack);
 
 #endif
\ No newline at end of file