diff --git a/src/pkgutil.cpp b/src/pkgutil.cpp
index dcb0f7d..bc3bcc9 100644
--- a/src/pkgutil.cpp
+++ b/src/pkgutil.cpp
@@ -905,14 +905,6 @@ db_lock::~db_lock()
   }
 }
 
-string
-itos(unsigned int value)
-{
-  static char buf[20];
-  sprintf(buf, "%u", value);
-  return buf;
-}
-
 string
 mtos(mode_t mode)
 {
diff --git a/src/pkgutil.h b/src/pkgutil.h
index ac5728e..526d78f 100644
--- a/src/pkgutil.h
+++ b/src/pkgutil.h
@@ -102,8 +102,6 @@ class runtime_error_with_errno : public runtime_error
 /*
  * Utility functions.
  */
-string itos(unsigned int value);
-
 string mtos(mode_t mode);
 
 string trim_filename(const string& filename);