diff --git a/cvpcb/footprints_listbox.cpp b/cvpcb/footprints_listbox.cpp
index 03e876f941..a30df9aaed 100644
--- a/cvpcb/footprints_listbox.cpp
+++ b/cvpcb/footprints_listbox.cpp
@@ -125,7 +125,7 @@ void FOOTPRINTS_LISTBOX::SetSelectedFootprint( const LIB_ID& aFPID )
                                     GetChars( aFPID.GetLibNickname() ),
                                     GetChars( aFPID.GetLibItemName() ) );
 
-    for( size_t i = 0; i < GetCount(); ++i )
+    for( int i = 0; i < GetCount(); ++i )
     {
         wxString candidate = m_footprintList.Item( i ).substr( 4 );
 
diff --git a/eeschema/component_references_lister.cpp b/eeschema/component_references_lister.cpp
index 4aa4e8d276..613da3f3bc 100644
--- a/eeschema/component_references_lister.cpp
+++ b/eeschema/component_references_lister.cpp
@@ -835,7 +835,7 @@ wxString SCH_REFERENCE_LIST::Shorthand( std::vector<SCH_REFERENCE> aList )
 
         while( i + range < aList.size()
                && aList[ i + range ].GetRef() == ref
-               && aList[ i + range ].m_NumRef == numRef + range )
+               && aList[ i + range ].m_NumRef == int( numRef + range ) )
         {
             range++;
         }
diff --git a/eeschema/dialogs/dialog_spice_model.cpp b/eeschema/dialogs/dialog_spice_model.cpp
index b0bec2b27b..4db7279e57 100644
--- a/eeschema/dialogs/dialog_spice_model.cpp
+++ b/eeschema/dialogs/dialog_spice_model.cpp
@@ -80,7 +80,7 @@ static int getModelTypeIdx( char aPrimitive )
 {
     const char prim = std::toupper( aPrimitive );
 
-    for( int i = 0; i < modelTypes.size(); ++i )
+    for( size_t i = 0; i < modelTypes.size(); ++i )
     {
         if( modelTypes[i].type == prim )
             return i;
@@ -174,9 +174,8 @@ bool DIALOG_SPICE_MODEL::TransferDataFromWindow()
             return false;
 
         int modelIdx = m_modelType->GetSelection();
-        wxASSERT( modelIdx < modelTypes.size() );
 
-        if( modelIdx > 0 && modelIdx < modelTypes.size() )
+        if( modelIdx > 0 && modelIdx < (int)modelTypes.size() )
             m_fieldsTmp[SF_PRIMITIVE] = static_cast<char>( modelTypes[modelIdx].type );
 
         m_fieldsTmp[SF_MODEL] = m_modelName->GetValue();
@@ -185,7 +184,6 @@ bool DIALOG_SPICE_MODEL::TransferDataFromWindow()
             m_fieldsTmp[SF_LIB_FILE] = m_modelLibrary->GetValue();
     }
 
-
     // Power source
     else if( page == m_power )
     {