diff --git a/src/classify/shapeclassifier.h b/src/classify/shapeclassifier.h
index e5b2fa67..776880fc 100644
--- a/src/classify/shapeclassifier.h
+++ b/src/classify/shapeclassifier.h
@@ -26,7 +26,6 @@ struct Pix;
 
 namespace tesseract {
 
-template <typename T> class GenericVector;
 class ScrollView;
 class UNICHARSET;