diff --git a/src/libsysprof-analyze/sysprof-strings-private.h b/src/libsysprof-analyze/sysprof-strings-private.h
index a4faae2d..8ea14608 100644
--- a/src/libsysprof-analyze/sysprof-strings-private.h
+++ b/src/libsysprof-analyze/sysprof-strings-private.h
@@ -31,8 +31,6 @@ SysprofStrings *sysprof_strings_ref    (SysprofStrings *self);
 void            sysprof_strings_unref  (SysprofStrings *self);
 GRefString     *sysprof_strings_get    (SysprofStrings *self,
                                         const char     *string);
-GRefString     *sysprof_strings_lookup (SysprofStrings *self,
-                                        const char     *string);
 
 #define SYSPROF_STRV_INIT(...) ((const char * const[]){__VA_ARGS__,NULL})
 
diff --git a/src/libsysprof-analyze/sysprof-strings.c b/src/libsysprof-analyze/sysprof-strings.c
index a7c13f4e..421da461 100644
--- a/src/libsysprof-analyze/sysprof-strings.c
+++ b/src/libsysprof-analyze/sysprof-strings.c
@@ -84,19 +84,3 @@ sysprof_strings_get (SysprofStrings *self,
 
   return ret;
 }
-
-GRefString *
-sysprof_strings_lookup (SysprofStrings *self,
-                        const char     *string)
-{
-  GRefString *ret;
-
-  if (string == NULL)
-    return NULL;
-
-  g_mutex_lock (&self->mutex);
-  ret = g_hash_table_lookup (self->hashtable, string);
-  g_mutex_unlock (&self->mutex);
-
-  return ret;
-}