diff --git a/mips-lib/src/components/mips_dm.rs b/mips-lib/src/components/mips_dm.rs
index eafe1ee..27d8f92 100644
--- a/mips-lib/src/components/mips_dm.rs
+++ b/mips-lib/src/components/mips_dm.rs
@@ -1,3 +1,4 @@
+#[cfg(feature = "gui-egui")]
 use crate::gui_egui::mips_mem_view_window::MemViewWindow;
 use core::cell::RefCell;
 use std::cell::RefMut;
@@ -42,6 +43,7 @@ pub struct DataMem {
     pub write_enable_input: Input,
     pub phys_mem_id: String,
     pub regfile_id: String,
+    #[cfg(feature = "gui-egui")]
     pub mem_view: RefCell<MemViewWindow>,
 }
 
@@ -56,6 +58,7 @@ impl DataMem {
         phys_mem_id: String,
         regfile_id: String,
     ) -> Self {
+        #[cfg(feature = "gui-egui")]
         let mem_view =
             MemViewWindow::new(id.clone(), "Data memory view".into()).set_data_view(None);
         DataMem {
@@ -66,6 +69,7 @@ impl DataMem {
             data_input: data_input,
             op_input: op_input,
             write_enable_input: write_enable_input,
+            #[cfg(feature = "gui-egui")]
             mem_view: RefCell::new(mem_view),
             regfile_id: regfile_id,
         }
@@ -215,6 +219,7 @@ impl Component for DataMem {
             .unwrap();
 
         // update dynamic symbol PC_IM
+        #[cfg(feature = "gui-egui")]
         self.mem_view
             .borrow_mut()
             .set_dynamic_symbol("DM_ADRS", address);
@@ -362,6 +367,7 @@ impl Component for DataMem {
             Ok(_) => match mem_op {
                 data_op::NO_OP => Ok(()),
                 _ => {
+                    #[cfg(feature = "gui-egui")]
                     if self.mem_view.borrow().is_break_point(&(address & !0b11)) {
                         Err(Condition::Halt(format!(
                             "Read or write at breakpoint address {:#0x}",
@@ -370,6 +376,8 @@ impl Component for DataMem {
                     } else {
                         Ok(())
                     }
+                    #[cfg(not(feature = "gui-egui"))]
+                    Ok(())
                 }
             },
             Err(_) => ret,
diff --git a/mips-lib/src/components/mips_im.rs b/mips-lib/src/components/mips_im.rs
index c9947a3..dbb8b86 100644
--- a/mips-lib/src/components/mips_im.rs
+++ b/mips-lib/src/components/mips_im.rs
@@ -8,6 +8,7 @@ use syncrim::common::{Component, Condition, Id, Input, InputPort, OutputType, Po
 
 use crate::components::physical_mem::{MemOpSize, MipsMem};
 use crate::components::RegFile;
+#[cfg(feature = "gui-egui")]
 use crate::gui_egui::mips_mem_view_window::MemViewWindow;
 
 use super::PhysicalMem;
@@ -24,6 +25,7 @@ pub struct InstrMem {
     // All components who deal with memory acess this
     pub phys_mem_id: String,
     pub regfile_id: String,
+    #[cfg(feature = "gui-egui")]
     pub mem_view: RefCell<MemViewWindow>,
 }
 
@@ -35,6 +37,7 @@ impl InstrMem {
         phys_mem_id: String,
         regfile_id: String,
     ) -> InstrMem {
+        #[cfg(feature = "gui-egui")]
         let mem_view =
             MemViewWindow::new(id.clone(), "instruction memory view".into()).set_code_view(None);
         InstrMem {
@@ -42,6 +45,7 @@ impl InstrMem {
             pos: pos,
             pc: pc_input,
             phys_mem_id: phys_mem_id,
+            #[cfg(feature = "gui-egui")]
             mem_view: RefCell::new(mem_view),
             regfile_id: regfile_id,
         }
@@ -74,6 +78,7 @@ impl Component for InstrMem {
             pos: pos,
             pc: dummy_input,
             phys_mem_id: "dummy".into(),
+            #[cfg(feature = "gui-egui")]
             mem_view: RefCell::new(MemViewWindow::new("dummy".into(), "IM dummy".into())),
             regfile_id: "dummy".into(),
         }))
@@ -123,6 +128,7 @@ impl Component for InstrMem {
         };
 
         // update dynamic symbol PC_IM
+        #[cfg(feature = "gui-egui")]
         self.mem_view.borrow_mut().set_dynamic_symbol("PC_IM", pc);
 
         // Get a word at PC with the size of 32bits, read as big endian,
@@ -131,10 +137,13 @@ impl Component for InstrMem {
             Ok(instr) => {
                 simulator.set_out_value(&self.id, INSTR_MEM_INSTRUCTION_ID, instr);
                 // check if pc is at breakpoint
+                #[cfg(feature = "gui-egui")]
                 match self.mem_view.borrow().is_break_point(&pc) {
                     true => Err(Condition::Halt(format!("Reached breakpoint at {:#0x}", pc))),
                     false => Ok(()),
                 }
+                #[cfg(not(feature = "gui-egui"))]
+                Ok(())
             }
             Err(_) => Err(Condition::Error(format!("Unaligned Read, PC = {:#0x}", pc))),
         }
diff --git a/mips-lib/src/components/mips_reg_file.rs b/mips-lib/src/components/mips_reg_file.rs
index 3225e5f..184413c 100644
--- a/mips-lib/src/components/mips_reg_file.rs
+++ b/mips-lib/src/components/mips_reg_file.rs
@@ -61,19 +61,7 @@ impl Component for RegFile {
     fn to_(&self) {
         trace!("reg_file");
     }
-    #[cfg(feature = "gui-egui")]
-    // fn dummy(&self, id: &str, pos: (f32, f32)) -> Box<Rc<dyn EguiComponent>> {
-    //     let dummy_input = Input::new("dummy", "out");
-    //     Box::new(Rc::new(RegFile {
-    //         id: "dummy".to_string(),
-    //         pos: (0.0, 0.0),
-    //         a1_in: dummy_input.clone(),
-    //         a2_in: dummy_input.clone(),
-    //         a3_in: dummy_input.clone(),
-    //         wd3_in: dummy_input.clone(),
-    //         we3_in: dummy_input.clone(),
-    //     }))
-    // }
+
     fn get_id_ports(&self) -> (Id, Ports) {
         (
             self.id.clone(),
diff --git a/mips-lib/src/components/sz_extend.rs b/mips-lib/src/components/sz_extend.rs
index dfcdf92..69e36bf 100644
--- a/mips-lib/src/components/sz_extend.rs
+++ b/mips-lib/src/components/sz_extend.rs
@@ -26,15 +26,7 @@ impl Component for SignZeroExtend {
     fn to_(&self) {
         trace!("pc+4");
     }
-    #[cfg(feature = "gui-egui")]
-    // fn dummy(&self, _id: &str, _pos: (f32, f32)) -> Box<Rc<dyn EguiComponent>> {
-    //     let dummy_input = Input::new("dummy", "out");
-    //     Box::new(Rc::new(SignZeroExtend {
-    //         id: "dummy".to_string(),
-    //         pos: (0.0, 0.0),
-    //         signzero_extend_in: dummy_input.clone(),
-    //     }))
-    // }
+
     fn get_id_ports(&self) -> (Id, Ports) {
         (
             self.id.clone(),
diff --git a/mips-lib/src/lib.rs b/mips-lib/src/lib.rs
index fefacb3..24f6894 100644
--- a/mips-lib/src/lib.rs
+++ b/mips-lib/src/lib.rs
@@ -1,5 +1,6 @@
 pub mod components;
 
+#[cfg(feature = "gui-egui")]
 pub mod gui_egui;
 
 pub mod helpers;