diff --git a/openbr/plugins/imgproc/rndtranslate.cpp b/openbr/plugins/imgproc/rndtranslate.cpp
index 721872e..c57e7cf 100644
--- a/openbr/plugins/imgproc/rndtranslate.cpp
+++ b/openbr/plugins/imgproc/rndtranslate.cpp
@@ -38,7 +38,7 @@ class RndTranslateTransform : public UntrainableMetaTransform
     Q_PROPERTY(int nStages READ get_nStages WRITE set_nStages RESET reset_nStages STORED false)
     BR_PROPERTY(int, nStages, 3)
 
-    void project(const Template &src, Template &dst) const 
+    void project(const Template &, Template &) const
     {
         qFatal("Shoult not  be here (RndTranslate)");
     }
diff --git a/openbr/plugins/metadata/randomrects.cpp b/openbr/plugins/metadata/randomrects.cpp
index 4f44de1..9f86088 100644
--- a/openbr/plugins/metadata/randomrects.cpp
+++ b/openbr/plugins/metadata/randomrects.cpp
@@ -21,7 +21,7 @@ class RandomRectsTransform : public UntrainableMetaTransform
     BR_PROPERTY(int, numRects, 135)
     BR_PROPERTY(int, minSize, 24)
 
-    void project(const Template &src, Template &dst) const
+    void project(const Template &, Template &) const
     {
         qFatal("NOT SUPPORTED");
     }
diff --git a/openbr/plugins/metadata/randomtemplates.cpp b/openbr/plugins/metadata/randomtemplates.cpp
index 466a3a4..7830e52 100644
--- a/openbr/plugins/metadata/randomtemplates.cpp
+++ b/openbr/plugins/metadata/randomtemplates.cpp
@@ -14,7 +14,7 @@ class RandomTemplatesTransform : public UntrainableMetaTransform
     Q_PROPERTY(float percent READ get_percent WRITE set_percent RESET reset_percent)
     BR_PROPERTY(float, percent, .01)
 
-    void project(const Template &src, Template &dst) const {
+    void project(const Template &, Template &) const {
 		qFatal("Not supported in RandomTemplates.");
     }
 
diff --git a/openbr/plugins/metadata/removefte.cpp b/openbr/plugins/metadata/removefte.cpp
index 17b3ceb..82c1608 100644
--- a/openbr/plugins/metadata/removefte.cpp
+++ b/openbr/plugins/metadata/removefte.cpp
@@ -12,7 +12,7 @@ class RemoveFTETransform : public UntrainableMetaTransform
 {
     Q_OBJECT
 
-    void project(const Template &src, Template &dst) const 
+    void project(const Template &, Template &) const
     {
         qFatal("Not supported in RemoveFTE.");
     }