diff --git a/gnu/packages/cpp.scm b/gnu/packages/cpp.scm
index 870c02dac3..8c8109fb83 100644
--- a/gnu/packages/cpp.scm
+++ b/gnu/packages/cpp.scm
@@ -1232,16 +1232,13 @@ of reading and writing XML.")
             (rename-file "third_party/md5" ".md5")
             (delete-file-recursively "third_party")
             (delete-file-recursively "doc/third_party")
-            (substitute*
-                '("core/vm.cpp")
+            (substitute* '("core/vm.cpp")
               (("#include \"json.hpp\"") "#include <nlohmann/json.hpp>"))
             (mkdir "third_party")
             (rename-file ".md5" "third_party/md5")))))
     (build-system cmake-build-system)
     (arguments
      `(#:configure-flags '("-DUSE_SYSTEM_GTEST=ON" "-DUSE_SYSTEM_JSON=ON")))
-    (propagated-inputs
-     '())
     (native-inputs
      `(("googletest" ,googletest)
        ("pkg-config" ,pkg-config)))