diff --git a/core/parsing.py b/core/parsing.py
index 2a75483..5915eaf 100644
--- a/core/parsing.py
+++ b/core/parsing.py
@@ -377,7 +377,7 @@ def parse_ccpn_peaklist(peaklist_file):
             if v in row[5]:
                 a2 = row[5].strip().split(v)[-1]
                 atoms.append(a2)
-    
+
         peak = Peak(
             peak_number=row[1],
             positions=[row[2], row[3]],
@@ -391,7 +391,7 @@ def parse_ccpn_peaklist(peaklist_file):
             details=row[11],
             format='ccpn'
             )
-        
+
         peakList.append(peak)
     
     fin.close()
diff --git a/core/setup_farseer_calculation.py b/core/setup_farseer_calculation.py
index 6edf484..a0263c1 100644
--- a/core/setup_farseer_calculation.py
+++ b/core/setup_farseer_calculation.py
@@ -197,9 +197,7 @@ def add_residue_information(peak_list, fasta_file, fasta_start):
     fasta_dict = \
         {ii + fasta_start: aal1tol3.get(residue)
             for ii, residue in enumerate(fasta)}
-    
-    import pprint
-    
+
     for peak in peak_list:
         if all(ass is None for ass in peak.assignments) and \
                 not '' in peak.assignments:
diff --git a/gui/components/PeakListArea.py b/gui/components/PeakListArea.py
index 4b21b3c..536e01f 100644
--- a/gui/components/PeakListArea.py
+++ b/gui/components/PeakListArea.py
@@ -194,6 +194,10 @@ def update_tree(self):
         num_y = len(y_conds)
         num_z = len(z_conds)
         total_x = num_x*num_y*num_z
+        keys_to_remove = [k for k in self.variables['fasta_files'].keys() if k not in y_conds]
+        for k in keys_to_remove:
+            del self.variables['fasta_files'][k]
+
         
         if total_x > 10:
             self.scrollContents.setSceneRect(0, 0, width, total_x * 22)
@@ -305,7 +309,7 @@ def update_tree(self):
             
             for x_marker in y_markers:
                 self.add_connecting_line(zz, x_marker)
-        
+
         self.updateClicks += 1
         self.variables["experimental_dataset"] = self.peak_list_dict
 
diff --git a/gui/gui_utils.py b/gui/gui_utils.py
index b73e2f7..c713f9d 100644
--- a/gui/gui_utils.py
+++ b/gui/gui_utils.py
@@ -126,22 +126,18 @@ def deliver_settings(resolution):
 
     if (resolution.height(), resolution.width()) == (1440, 2560):
         stylesheet = open(os.path.join(GUI_DIR, 'stylesheet_2k.qss')).read()
-        print('2k')
         return settings_2k, stylesheet
     elif (resolution.height(), resolution.width()) == (1080, 1920) or \
             1040 < resolution.height() < 1440:
-        print('1k')
         stylesheet = open(os.path.join(GUI_DIR, 'stylesheet_1k.qss')).read()
         return settings_1k, stylesheet
     elif (resolution.height(), resolution.width()) == (800, 1280):
-        print('1280x800')
         msg = " @@@@@@@@@@@@@@@@@@@@@@ \nATTENTION YOU WILL BE USING A PROTOTYPE GUI DEVELOPED ONLY TO BE FUNCTIONAL IN 1280X800 SCREENS. IT IS NOT SUPPOSED TO HAVE A GOOD LOOK.\n@@@@@@@@@@@@@@@@@@@@@@"
         print(msg)
         stylesheet = open(os.path.join(GUI_DIR,
                                        'stylesheet_1280x800.qss')).read()
         return settings_1280x800, stylesheet
     else:
-        print('720p')
         stylesheet = open(os.path.join(GUI_DIR, 'stylesheet_720p.qss')).read()
         return settings_720p, stylesheet
 
diff --git a/gui/popups/FastaSelectionPopup.py b/gui/popups/FastaSelectionPopup.py
index f611a36..c26929c 100644
--- a/gui/popups/FastaSelectionPopup.py
+++ b/gui/popups/FastaSelectionPopup.py
@@ -70,7 +70,6 @@ def __init__(self, parent=None, **kw):
         self.layout().addWidget(self.buttonBox)
     
     def get_values(self):
-        print(self.fasta_files)
         if self.fasta_files:
             for cond_name, fasta_path in self.fasta_files.items():
                 self.add_field(cond_name, fasta_path)
diff --git a/gui/tabs/peaklist_selection.py b/gui/tabs/peaklist_selection.py
index fabe967..ca0a542 100644
--- a/gui/tabs/peaklist_selection.py
+++ b/gui/tabs/peaklist_selection.py
@@ -136,7 +136,7 @@ def update_condition_boxes(self, row, dim, value):
         layout = self.widget2.layout()
         colCount = layout.columnCount()
         valuesDict = self.variables["conditions"]
-        
+
         for m in range(3, colCount):
             item = layout.itemAtPosition(row, m)