diff --git a/src/asmsx.c b/src/asmsx.c
index 41aaac5..47132e8 100644
--- a/src/asmsx.c
+++ b/src/asmsx.c
@@ -589,7 +589,7 @@ void error_message(int n, char *fname_src, int lines) {
   } else {
     fprintf(stderr, "%s", error_buffer);
   }
-  remove("~tmppre.?");
+  remove_temporary_files();
   exit(n + 1);
 }
 
@@ -694,3 +694,19 @@ int isDirectory(const char *path) {
        return 0;
    return S_ISDIR(statbuf.st_mode);
 }
+
+/* Remove temporary preprocessor files created during assembly
+ * These files are created with these names: ~tmppre.0, ~tmppre.1, ~tmppre.2, ~tmppre.3
+ * and are no longer needed after assembly is complete.
+ */
+void remove_temporary_files(void) {
+  char filename[PATH_MAX];
+  int i;
+  
+  for (i = 0; i <= 3; i++) {
+    snprintf(filename, PATH_MAX - 1, "~tmppre.%d", i);
+    if (remove(filename) == 0 && verbose) {
+      printf("Removed temporary file: %s\n", filename);
+    }
+  }
+}
diff --git a/src/asmsx.h b/src/asmsx.h
index 9749fa7..b6f33bd 100644
--- a/src/asmsx.h
+++ b/src/asmsx.h
@@ -58,3 +58,4 @@ extern void error_message(int n, char* fname_src, int lines);
 extern void warning_message(int n, char* fname_src, int lines, int pass, int* warnings);
 extern char* replaceWord(const char* s, const char* oldW, const char* newW, int* count); 
 extern int isDirectory(const char *path);
+extern void remove_temporary_files(void);
diff --git a/src/dura.y b/src/dura.y
index 1bf504b..3eded31 100644
--- a/src/dura.y
+++ b/src/dura.y
@@ -4337,7 +4337,7 @@ void finalize()
 	else
 		printf("\n");
 
-	remove("~tmppre.*");
+	remove_temporary_files();
 	exit(0);
 }
 
@@ -4699,6 +4699,6 @@ int main(int argc, char *argv[]) {
 
   yyparse();
 
-  remove("~tmppre.?");
+  remove_temporary_files();
   return 0;
 }