diff --git a/libnixf/include/nixf/Basic/Diagnostic.h b/libnixf/include/nixf/Basic/Diagnostic.h
index d7f7cfc17..043ec740c 100644
--- a/libnixf/include/nixf/Basic/Diagnostic.h
+++ b/libnixf/include/nixf/Basic/Diagnostic.h
@@ -10,12 +10,13 @@
 
 #include "Range.h"
 
-#include <fmt/args.h>
-
 #include <cassert>
+#include <memory>
 #include <optional>
 #include <string>
 #include <utility>
+#include <vector>
+
 namespace nixf {
 
 /// Fix-it hints. Remove the text at `OldRange`, and replace it as `NewText`
diff --git a/libnixf/lib/Basic/meson.build b/libnixf/lib/Basic/meson.build
index e2dca609f..6dccb2230 100644
--- a/libnixf/lib/Basic/meson.build
+++ b/libnixf/lib/Basic/meson.build
@@ -1,4 +1,4 @@
-libnixfBasic_deps = [ fmt ]
+libnixfBasic_deps = [ ]
 
 libnixfBasic_inc = nixf_inc