diff --git a/common/validators.cpp b/common/validators.cpp
index 4cfa9d6d62..6c5fbb15e8 100644
--- a/common/validators.cpp
+++ b/common/validators.cpp
@@ -268,54 +268,6 @@ void REGEX_VALIDATOR::compileRegEx( const wxString& aRegEx, int aFlags )
 }
 
 
-bool LIB_ID_VALIDATOR::Validate( wxWindow *aParent )
-{
-    LIB_ID dummy;
-
-    // If window is disabled, simply return
-    if( !m_validatorWindow->IsEnabled() )
-        return true;
-
-    wxTextEntry* const text = GetTextEntry();
-
-    if( !text )
-        return false;
-
-    wxString msg;
-    wxString val( text->GetValue() );
-    wxString tmp = val.Clone();          // For trailing and leading white space tests.
-
-    // Allow empty string if empty filter not set to allow clearing the LIB_ID.
-    if( !(GetStyle() & wxFILTER_EMPTY) && val.IsEmpty() )
-        return true;
-
-    if( tmp.Trim() != val )              // Trailing white space.
-    {
-        msg = _( "Entry contains trailing white space." );
-    }
-    else if( tmp.Trim( false ) != val )  // Leading white space.
-    {
-        msg = _( "Entry contains leading white space." );
-    }
-    else if( dummy.Parse( val ) != -1 || !dummy.IsValid() )   // Is valid LIB_ID.
-    {
-        msg.Printf( _( "'%s' is not a valid library identifier format." ), val );
-    }
-
-    if( !msg.empty() )
-    {
-        m_validatorWindow->SetFocus();
-
-        wxMessageBox( msg, _( "Library Identifier Validation Error" ),
-                      wxOK | wxICON_EXCLAMATION, aParent );
-
-        return false;
-    }
-
-    return true;
-}
-
-
 NETNAME_VALIDATOR::NETNAME_VALIDATOR( wxString *aVal ) :
          wxTextValidator(),
          m_allowSpaces( false )
diff --git a/eeschema/fields_grid_table.cpp b/eeschema/fields_grid_table.cpp
index e7d7ea64e8..9a049ebc2e 100644
--- a/eeschema/fields_grid_table.cpp
+++ b/eeschema/fields_grid_table.cpp
@@ -100,7 +100,6 @@ FIELDS_GRID_TABLE<T>::FIELDS_GRID_TABLE( DIALOG_SHIM* aDialog, SCH_BASE_FRAME* a
         m_fieldNameValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), FIELD_NAME ),
         m_referenceValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), REFERENCE_FIELD ),
         m_valueValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), VALUE_FIELD ),
-        m_libIdValidator(),
         m_urlValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), FIELD_VALUE ),
         m_nonUrlValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), FIELD_VALUE ),
         m_filepathValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), SHEETFILENAME )
@@ -122,7 +121,6 @@ FIELDS_GRID_TABLE<T>::FIELDS_GRID_TABLE( DIALOG_SHIM* aDialog, SCH_EDIT_FRAME* a
         m_fieldNameValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), FIELD_NAME ),
         m_referenceValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), REFERENCE_FIELD ),
         m_valueValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), VALUE_FIELD ),
-        m_libIdValidator(),
         m_urlValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), FIELD_VALUE ),
         m_nonUrlValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), FIELD_VALUE ),
         m_filepathValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), SHEETFILENAME )
@@ -143,7 +141,6 @@ FIELDS_GRID_TABLE<T>::FIELDS_GRID_TABLE( DIALOG_SHIM* aDialog, SCH_EDIT_FRAME* a
         m_fieldNameValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), FIELD_NAME ),
         m_referenceValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), SHEETNAME_V ),
         m_valueValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), VALUE_FIELD ),
-        m_libIdValidator(),
         m_urlValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), FIELD_VALUE ),
         m_nonUrlValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), FIELD_VALUE ),
         m_filepathValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), SHEETFILENAME_V )
@@ -164,7 +161,6 @@ FIELDS_GRID_TABLE<T>::FIELDS_GRID_TABLE( DIALOG_SHIM* aDialog, SCH_EDIT_FRAME* a
         m_fieldNameValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), FIELD_NAME ),
         m_referenceValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), 0 ),
         m_valueValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), 0 ),
-        m_libIdValidator(),
         m_urlValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), FIELD_VALUE ),
         m_nonUrlValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), FIELD_VALUE ),
         m_filepathValidator( aFrame->IsType( FRAME_SCH_SYMBOL_EDITOR ), 0 )
@@ -200,7 +196,7 @@ void FIELDS_GRID_TABLE<T>::initGrid( WX_GRID* aGrid )
 
     m_footprintAttr = new wxGridCellAttr;
     GRID_CELL_FPID_EDITOR* fpIdEditor = new GRID_CELL_FPID_EDITOR( m_dialog, m_symbolNetlist );
-    fpIdEditor->SetValidator( m_libIdValidator );
+    fpIdEditor->SetValidator( m_nonUrlValidator );
     m_footprintAttr->SetEditor( fpIdEditor );
 
     m_urlAttr = new wxGridCellAttr;
diff --git a/eeschema/fields_grid_table.h b/eeschema/fields_grid_table.h
index d0429c0c20..c63bed16f9 100644
--- a/eeschema/fields_grid_table.h
+++ b/eeschema/fields_grid_table.h
@@ -128,7 +128,6 @@ private:
     SCH_FIELD_VALIDATOR   m_fieldNameValidator;
     SCH_FIELD_VALIDATOR   m_referenceValidator;
     SCH_FIELD_VALIDATOR   m_valueValidator;
-    LIB_ID_VALIDATOR      m_libIdValidator;
     SCH_FIELD_VALIDATOR   m_urlValidator;
     SCH_FIELD_VALIDATOR   m_nonUrlValidator;
     SCH_FIELD_VALIDATOR   m_filepathValidator;
diff --git a/include/validators.h b/include/validators.h
index 4dcaa0c523..dffa9e8d21 100644
--- a/include/validators.h
+++ b/include/validators.h
@@ -170,34 +170,6 @@ protected:
     wxRegEx m_regEx;
 };
 
-/**
- * Custom validator that verifies that a string defines a valid #LIB_ID.
- *
- * The default validation allows empty #LIB_ID strings to allow the #LIB_ID to be cleared.
- * Use SetStyle( wxFILTER_EMPTY ) to force a valid #LIB_ID string.
- */
-class LIB_ID_VALIDATOR : public wxTextValidator
-{
-public:
-    /**
-     * @param aLibIdType is the type of #LIB_ID object to validate.
-     * @param aValue is a pointer to a wxString containing the value to validate.
-     */
-    LIB_ID_VALIDATOR( wxString* aValue = nullptr ) :
-        wxTextValidator( wxFILTER_EXCLUDE_CHAR_LIST, aValue )
-    {
-        SetCharExcludes( wxT( "\r\n\t" ) );
-    }
-
-    virtual wxObject* Clone() const override
-    {
-        return new LIB_ID_VALIDATOR( *this );
-    }
-
-    bool Validate( wxWindow* aParent ) override;
-};
-
-
 class NETNAME_VALIDATOR : public wxTextValidator
 {
 public: