diff --git a/Examples/Tests/PEC/analysis_pec.py b/Examples/Tests/PEC/analysis_pec.py
index 3257d8e4e35..d9d9b84f8ed 100755
--- a/Examples/Tests/PEC/analysis_pec.py
+++ b/Examples/Tests/PEC/analysis_pec.py
@@ -20,7 +20,6 @@
 import yt
 yt.funcs.mylog.setLevel(50)
 import numpy as np
-from scipy.constants import e, m_e, epsilon_0, c
 sys.path.insert(1, '../../../../warpx/Regression/Checksum/')
 import checksumAPI
 
diff --git a/Examples/Tests/PEC/analysis_pec_mr.py b/Examples/Tests/PEC/analysis_pec_mr.py
index 067f2e6585e..05654ed93be 100755
--- a/Examples/Tests/PEC/analysis_pec_mr.py
+++ b/Examples/Tests/PEC/analysis_pec_mr.py
@@ -20,7 +20,6 @@
 import yt
 yt.funcs.mylog.setLevel(50)
 import numpy as np
-from scipy.constants import e, m_e, epsilon_0, c
 sys.path.insert(1, '../../../../warpx/Regression/Checksum/')
 import checksumAPI