diff --git a/src/pydistribution/CMakeLists.txt b/src/pydistribution/CMakeLists.txt
index 356ba92e..389ae251 100644
--- a/src/pydistribution/CMakeLists.txt
+++ b/src/pydistribution/CMakeLists.txt
@@ -3,6 +3,8 @@
 set(SELF_LIB xo_pydistribution)
 set(SELF_SRCS pydistribution.cpp)
 
+# ----------------------------------------------------------------
+
 xo_pybind11_library(${SELF_LIB} ${PROJECT_NAME}Targets ${SELF_SRCS})
 xo_pybind11_dependency(${SELF_LIB} xo_distribution)
 xo_pybind11_dependency(${SELF_LIB} xo_pyutil)
diff --git a/src/pydistribution/pydistribution.cpp b/src/pydistribution/pydistribution.cpp
index 8104ccaf..58793950 100644
--- a/src/pydistribution/pydistribution.cpp
+++ b/src/pydistribution/pydistribution.cpp
@@ -12,7 +12,6 @@ namespace xo {
     using xo::distribution::Normal;
     using xo::distribution::Distribution;
     using xo::distribution::ExplicitDist;
-    using xo::ref::rp;
 
     namespace sim {
         namespace py = pybind11;