diff --git a/bant/frontend/elaboration.cc b/bant/frontend/elaboration.cc
index 71891c8..e37432f 100644
--- a/bant/frontend/elaboration.cc
+++ b/bant/frontend/elaboration.cc
@@ -192,7 +192,7 @@ class SimpleElaborator : public BaseNodeReplacementVisitor {
 
     // Find directory to start the glob()-ing.
     const std::string root_dir =
-      package_.QualifiedFile(project_->workspace(), ".");
+      package_.FullyQualifiedFile(project_->workspace(), ".");
     const std::vector<FilesystemPath> glob_result =
       MultiGlob(root_dir, query::ExtractStringList(include_list),
                 query::ExtractStringList(exclude_list));
diff --git a/bant/tool/BUILD b/bant/tool/BUILD
index b5a1c9e..7c1e36b 100644
--- a/bant/tool/BUILD
+++ b/bant/tool/BUILD
@@ -37,7 +37,6 @@ cc_library(
         "//bant:session",
         "//bant:types",
         "//bant:types-bazel",
-        "//bant:workspace",
         "//bant/explore:header-providers",
         "//bant/explore:query-utils",
         "//bant/frontend:named-content",
diff --git a/bant/tool/compilation-db.cc b/bant/tool/compilation-db.cc
index d24dd73..f2944ba 100644
--- a/bant/tool/compilation-db.cc
+++ b/bant/tool/compilation-db.cc
@@ -81,7 +81,8 @@ static void WriteCompilationDBEntry(const ParsedProject &project,
   query::AppendStringList(details.hdrs_list, sources);
 
   for (const auto src : sources) {
-    const std::string abs_src = package.QualifiedFile(src);
+    const std::string abs_src =
+      package.FullyQualifiedFile(project.workspace(), src);
     out << "  {\n";
     out << "    " << q{"file"} << ": " << q{abs_src} << ",\n";
     out << "    " << q{"arguments"} << ": [\n";
@@ -123,7 +124,7 @@ static std::string CollectGlobalFlagsAndIncDirs(const ParsedProject &project) {
         const auto inc_dirs = query::ExtractStringList(details.includes_list);
         for (const std::string_view inc_dir : inc_dirs) {
           const std::string inc_path =
-            current_package.QualifiedFile(workspace, inc_dir);
+            current_package.FullyQualifiedFile(workspace, inc_dir);
           if (!already_seen.insert(inc_path).second) continue;
           out << kIndent << q{"-iquote"} << ", " << q{inc_path} << ",\n";
         }
diff --git a/bant/tool/dwyu.cc b/bant/tool/dwyu.cc
index 2f35740..91a947c 100644
--- a/bant/tool/dwyu.cc
+++ b/bant/tool/dwyu.cc
@@ -41,7 +41,6 @@
 #include "bant/types.h"
 #include "bant/util/file-utils.h"
 #include "bant/util/stat.h"
-#include "bant/workspace.h"
 #include "re2/re2.h"
 
 // Looking for source files directly in the source tree, but if not found
@@ -306,20 +305,6 @@ bool DWYUGenerator::CanSee(const BazelTarget &target,
   return !any_valid_visiblity_pattern;
 }
 
-// TODO: this needs to be in a central place. Also needed in elaboration.
-static std::string MakeFullyQualified(const BazelWorkspace &workspace,
-                                      const BazelPackage &package,
-                                      std::string_view filename) {
-  std::string result;
-  auto package_path = workspace.FindPathByProject(package.project);
-  if (package_path.has_value()) {
-    result = package_path->path();
-  }
-  if (!result.empty()) result.append("/");
-  result.append(package.QualifiedFile(filename));
-  return result;
-}
-
 std::vector<absl::btree_set<BazelTarget>>
 DWYUGenerator::DependenciesNeededBySources(
   const BazelTarget &target, const ParsedBuildFile &build_file,
@@ -379,7 +364,7 @@ DWYUGenerator::DependenciesNeededBySources(
 
   for (const std::string_view src_name : sources) {
     const std::string source_file =
-      MakeFullyQualified(project_.workspace(), build_file.package, src_name);
+      build_file.package.FullyQualifiedFile(project_.workspace(), src_name);
     std::optional<DWYUGenerator::SourceFile> source_content;
     {
       const ScopedTimer timer(&source_read_stats.duration);
diff --git a/bant/types-bazel.cc b/bant/types-bazel.cc
index d56746f..01e0da2 100644
--- a/bant/types-bazel.cc
+++ b/bant/types-bazel.cc
@@ -42,8 +42,8 @@ std::string BazelPackage::QualifiedFile(std::string_view relative_file) const {
   return absl::StrCat(path, "/", relative_file);
 }
 
-std::string BazelPackage::QualifiedFile(const BazelWorkspace &workspace,
-                                        std::string_view relative_file) const {
+std::string BazelPackage::FullyQualifiedFile(
+  const BazelWorkspace &workspace, std::string_view relative_file) const {
   std::string root_dir;
   if (!project.empty()) {
     auto package_path = workspace.FindPathByProject(project);
diff --git a/bant/types-bazel.h b/bant/types-bazel.h
index 4fa92a3..6aed201 100644
--- a/bant/types-bazel.h
+++ b/bant/types-bazel.h
@@ -45,8 +45,11 @@ struct BazelPackage {
 
   // Assemble filename relative to the path.
   std::string QualifiedFile(std::string_view relative_file) const;
-  std::string QualifiedFile(const BazelWorkspace &workspace,
-                            std::string_view relative_file) const;
+
+  // Assemble filename including potential prefix if it is located in an
+  // external project.
+  std::string FullyQualifiedFile(const BazelWorkspace &workspace,
+                                 std::string_view relative_file) const;
 
   auto operator<=>(const BazelPackage &o) const = default;
   bool operator<(const BazelPackage &) const = default;