diff --git a/SimG4Core/GFlash/interface/GflashAntiProtonShowerProfile.h b/SimG4Core/GFlash/interface/GflashAntiProtonShowerProfile.h
deleted file mode 100644
index 4cc3fd05869cf..0000000000000
--- a/SimG4Core/GFlash/interface/GflashAntiProtonShowerProfile.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#ifndef GflashAntiProtonShowerProfile_H
-#define GflashAntiProtonShowerProfile_H
-#error Moved to SimGeneral/GFlash/interface/GflashAntiProtonShowerProfile.h
-#endif
diff --git a/SimG4Core/GFlash/interface/GflashHistogram.h b/SimG4Core/GFlash/interface/GflashHistogram.h
deleted file mode 100644
index df5b0d6b9a8ba..0000000000000
--- a/SimG4Core/GFlash/interface/GflashHistogram.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#ifndef GflashHistogram_H
-#define GflashHistogram_H
-#error Moved to SimGeneral/GFlash/interface/GflashHistogram.h
-#endif
diff --git a/SimG4Core/GFlash/interface/GflashNameSpace.h b/SimG4Core/GFlash/interface/GflashNameSpace.h
deleted file mode 100644
index 9928af6df4cfe..0000000000000
--- a/SimG4Core/GFlash/interface/GflashNameSpace.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#ifndef GflashNameSpace_H
-#define GflashNameSpace_H
-#error Moved to SimGeneral/GFlash/interface/GflashNameSpace.h
-#endif
diff --git a/SimG4Core/GFlash/interface/GflashPiKShowerProfile.h b/SimG4Core/GFlash/interface/GflashPiKShowerProfile.h
deleted file mode 100644
index aedb6a3265477..0000000000000
--- a/SimG4Core/GFlash/interface/GflashPiKShowerProfile.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#ifndef GflashPiKShowerProfile_H
-#define GflashPiKShowerProfile_H
-#error Moved to SimGeneral/GFlash/interface/GflashPiKShowerProfile.h
-#endif
diff --git a/SimG4Core/GFlash/interface/GflashProtonShowerProfile.h b/SimG4Core/GFlash/interface/GflashProtonShowerProfile.h
deleted file mode 100644
index 5558a94669ac5..0000000000000
--- a/SimG4Core/GFlash/interface/GflashProtonShowerProfile.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#ifndef GflashProtonShowerProfile_H
-#define GflashProtonShowerProfile_H
-#error Moved to SimGeneral/GFlash/interface/GflashProtonShowerProfile.h
-#endif
diff --git a/SimG4Core/GFlash/interface/GflashShowino.h b/SimG4Core/GFlash/interface/GflashShowino.h
deleted file mode 100644
index f54e66e0f276e..0000000000000
--- a/SimG4Core/GFlash/interface/GflashShowino.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#ifndef GflashShowino_H
-#define GflashShowino_H
-#error Moved to SimGeneral/GFlash/interface/GflashShowino.h
-#endif
diff --git a/SimG4Core/GFlash/interface/GflashTrajectory.h b/SimG4Core/GFlash/interface/GflashTrajectory.h
deleted file mode 100644
index dd20af4c6e863..0000000000000
--- a/SimG4Core/GFlash/interface/GflashTrajectory.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#ifndef GflashTrajectory_H
-#define GflashTrajectory_H
-#error Moved to SimGeneral/GFlash/interface/GflashTrajectory.h
-#endif
diff --git a/SimG4Core/GFlash/interface/GflashTrajectoryPoint.h b/SimG4Core/GFlash/interface/GflashTrajectoryPoint.h
deleted file mode 100644
index f1163b0a4d55b..0000000000000
--- a/SimG4Core/GFlash/interface/GflashTrajectoryPoint.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#ifndef GflashTrajectoryPoint_H
-#define GflashTrajectoryPoint_H
-#error Moved to SimGeneral/GFlash/interface/GflashTrajectoryPoint.h
-#endif