diff --git a/pcbnew/connectivity/from_to_cache.cpp b/pcbnew/connectivity/from_to_cache.cpp
index 8041a2c735..3b75cd1bf5 100644
--- a/pcbnew/connectivity/from_to_cache.cpp
+++ b/pcbnew/connectivity/from_to_cache.cpp
@@ -179,7 +179,6 @@ int FROM_TO_CACHE::cacheFromToPaths( const wxString& aFrom, const wxString& aTo
                         if( count >= 2 )
                         {
                             // fixme: report this somewhere?
-                            //printf("Multiple targets found, aborting...\n");
                             path.to = nullptr;
                         }
                     }
@@ -206,9 +205,6 @@ int FROM_TO_CACHE::cacheFromToPaths( const wxString& aFrom, const wxString& aTo
         else
             path.isUnique = false;
 
-
-        //printf( "%s\n", (const char *) wxString::Format( _("Check path: %s -> %s (net %s)"), path.fromName, path.toName, cnFrom->Parent()->GetNetname() ) );
-
         if( result == PS_NO_PATH )
             continue;
 
@@ -233,7 +229,6 @@ bool  FROM_TO_CACHE::IsOnFromToPath( BOARD_CONNECTED_ITEM* aItem, const wxString
     if( !m_board )
         return false;
 
-    //printf("Check %d cached paths [%p]\n", m_ftPaths.size(), aItem );
     for( int attempt = 0; attempt < 2; attempt++ )
     {
         // item already belongs to path
@@ -244,10 +239,7 @@ bool  FROM_TO_CACHE::IsOnFromToPath( BOARD_CONNECTED_ITEM* aItem, const wxString
                 nFromTosFound++;
 
                 if( ftPath.pathItems.count( aItem ) )
-                {
-        //            printf("Found cached path for %p [%s->%s]\n", aItem, (const char *)ftPath.fromName, (const char *) ftPath.toName );
                     return true;
-                }
             }
         }
 
diff --git a/pcbnew/io_mgr.h b/pcbnew/io_mgr.h
index e27c25f7eb..44d55ec8b5 100644
--- a/pcbnew/io_mgr.h
+++ b/pcbnew/io_mgr.h
@@ -551,9 +551,7 @@ public:
     virtual void FootprintLibOptions( STRING_UTF8_MAP* aListToAppendTo ) const;
 
     virtual ~PLUGIN()
-    {
-        //printf( "~%s", __func__ );
-    };
+    {};
 
 
 #ifndef SWIG
diff --git a/pcbnew/pcb_expr_evaluator.h b/pcbnew/pcb_expr_evaluator.h
index 43030a3266..1ef2cde365 100644
--- a/pcbnew/pcb_expr_evaluator.h
+++ b/pcbnew/pcb_expr_evaluator.h
@@ -86,9 +86,7 @@ public:
         m_itemIndex( aItemIndex ),
         m_type( LIBEVAL::VT_UNDEFINED ),
         m_isEnum( false )
-    {
-        //printf("*** CreateVarRef %p %d\n", this, aItemIndex );
-    }
+    {}
 
     ~PCB_EXPR_VAR_REF() {};
 
@@ -123,7 +121,6 @@ public:
         PCB_EXPR_VAR_REF( aItemIndex )
     {
         SetType( LIBEVAL::VT_STRING );
-        //printf("*** CreateVarRef %p %d\n", this, aItemIndex );
     }
 
     LIBEVAL::VALUE* GetValue( LIBEVAL::CONTEXT* aCtx ) override;
@@ -138,7 +135,6 @@ public:
         PCB_EXPR_VAR_REF( aItemIndex )
     {
         SetType( LIBEVAL::VT_STRING );
-        //printf("*** CreateVarRef %p %d\n", this, aItemIndex );
     }
 
     LIBEVAL::VALUE* GetValue( LIBEVAL::CONTEXT* aCtx ) override;
@@ -152,7 +148,6 @@ public:
         PCB_EXPR_VAR_REF( aItemIndex )
     {
         SetType( LIBEVAL::VT_STRING );
-        //printf("*** CreateVarRef %p %d\n", this, aItemIndex );
     }
 
     LIBEVAL::VALUE* GetValue( LIBEVAL::CONTEXT* aCtx ) override;
diff --git a/pcbnew/router/pns_node.cpp b/pcbnew/router/pns_node.cpp
index 78c08a6daf..d4add45cb4 100644
--- a/pcbnew/router/pns_node.cpp
+++ b/pcbnew/router/pns_node.cpp
@@ -99,7 +99,7 @@ NODE::~NODE()
 
     for( ITEM* item : toDelete )
     {
-        printf("del item %p type %s\n", item, item->KindStr().c_str() );
+        wxLogTrace( wxT( "PNS" ), wxT( "del item %p type %s" ), item, item->KindStr().c_str() );
         delete item;
     }
 
diff --git a/pcbnew/router/pns_optimizer.cpp b/pcbnew/router/pns_optimizer.cpp
index 801d222e77..46ff4afdc9 100644
--- a/pcbnew/router/pns_optimizer.cpp
+++ b/pcbnew/router/pns_optimizer.cpp
@@ -724,7 +724,6 @@ bool OPTIMIZER::mergeStep( LINE* aLine, SHAPE_LINE_CHAIN& aCurrentPath, int step
 
             if( !checkColliding( aLine, bypass ) )
             {
-                //printf("Chk-constraints: %d %d\n", n, n+step+1 );
                 ok = checkConstraints ( n, n + step + 1, aLine, aCurrentPath, bypass );
             }
 
diff --git a/pcbnew/router/pns_solid.cpp b/pcbnew/router/pns_solid.cpp
index 3b8ff7449d..45ab3dc9ea 100644
--- a/pcbnew/router/pns_solid.cpp
+++ b/pcbnew/router/pns_solid.cpp
@@ -92,8 +92,6 @@ void SOLID::SetPos( const VECTOR2I& aCenter )
     if( m_shape )
         m_shape->Move( delta );
 
-    //printf("Hole@%p\n", m_hole);
-
     if( m_hole )
         m_hole->Move( delta );