diff --git a/modules/flann/include/opencv2/flann/miniflann.hpp b/modules/flann/include/opencv2/flann/miniflann.hpp
index 9c3c36e5a3..d7fd90fffa 100644
--- a/modules/flann/include/opencv2/flann/miniflann.hpp
+++ b/modules/flann/include/opencv2/flann/miniflann.hpp
@@ -54,8 +54,6 @@ namespace cv
 namespace flann
 {
 
-using namespace cvflann;
-
 struct CV_EXPORTS IndexParams
 {
     IndexParams();
diff --git a/modules/flann/src/miniflann.cpp b/modules/flann/src/miniflann.cpp
index a9fcbe7214..e5ec067c2e 100644
--- a/modules/flann/src/miniflann.cpp
+++ b/modules/flann/src/miniflann.cpp
@@ -13,6 +13,8 @@ namespace cv
 namespace flann
 {
 
+using namespace cvflann;
+    
 IndexParams::IndexParams()
 {
     params = new ::cvflann::IndexParams();