diff --git a/contrib/devtools/circular-dependencies.py b/contrib/devtools/circular-dependencies.py
--- a/contrib/devtools/circular-dependencies.py
+++ b/contrib/devtools/circular-dependencies.py
@@ -8,10 +8,19 @@
     'core_write.cpp': 'core_io.cpp',
 }
 
+# Directories with header-based modules, where the assumption that .cpp files
+# define functions and variables declared in corresponding .h files is
+# incorrect.
+HEADER_MODULE_PATHS = [
+    'interfaces/'
+]
+
 
 def module_name(path):
     if path in MAPPING:
         path = MAPPING[path]
+    if any(path.startswith(dirpath) for dirpath in HEADER_MODULE_PATHS):
+        return path
     if path.endswith(".h"):
         return path[:-2]
     if path.endswith(".c"):