diff --git a/models/Makefile.am b/models/Makefile.am
index 3e4edd6..239f736 100644
--- a/models/Makefile.am
+++ b/models/Makefile.am
@@ -1,22 +1,7 @@
 ## Process this file with automake to produce Makefile.in
 
 # Background rate files to distribute
-bkgs = bkg_kb_A_50h_v3.txt \
-       bkg_kb_B_50h_v3.txt \
-       bkg_kb_C_50h_v3.txt \
-       bkg_kb_D_50h_v3.txt \
-       bkg_kb_E_50h_v3.txt \
-       bkg_kb_F_50h_v3.txt \
-       bkg_kb_G_50h_v3.txt \
-       bkg_kb_H_50h_v3.txt \
-       bkg_kb_I_50h_v3.txt \
-       bkg_kb_J_50h_v3.txt \
-       bkg_kb_K_50h_v3.txt \
-       bkg_kb_NA_50h_v3.txt \
-       bkg_kb_NB_50h_v3.txt \
-       bkg_IFAE_B_50h.txt \
-       bkg_IFAE_C_50h.txt \
-       bkg_IFAE_E_50h.txt
+bkgs = bkg_dummy.txt
 bkgsdir   = $(datadir)/models
 bkgs_DATA = $(bkgs)
 
diff --git a/models/crab.xml b/models/crab.xml
index 7a02ff1..e0b19f3 100644
--- a/models/crab.xml
+++ b/models/crab.xml
@@ -12,7 +12,7 @@
     </spatialModel>
   </source>
   <source name="Background" type="RadialAcceptance" instrument="CTA">
-    <spectrum type="FileFunction" file="$GAMMALIB/share/models/bkg_kb_E_50h_v3.txt">
+    <spectrum type="FileFunction" file="$GAMMALIB/share/models/bkg_dummy.txt">
       <parameter scale="1.0" name="Normalization" min="0.0" max="1000.0" value="1.0" free="1"/>
     </spectrum>
     <radialModel type="Gaussian">
diff --git a/models/disk.xml b/models/disk.xml
index 559df4b..6f862b9 100644
--- a/models/disk.xml
+++ b/models/disk.xml
@@ -13,7 +13,7 @@
     </spatialModel>
   </source>
   <source name="Background" type="RadialAcceptance" instrument="CTA">
-    <spectrum type="FileFunction" file="$GAMMALIB/share/models/bkg_kb_E_50h_v3.txt">
+    <spectrum type="FileFunction" file="$GAMMALIB/share/models/bkg_dummy.txt">
       <parameter scale="1.0" name="Normalization" min="0.0" max="1000.0" value="1.0" free="1"/>
     </spectrum>
     <radialModel type="Gaussian">
diff --git a/models/gauss.xml b/models/gauss.xml
index d9592be..4efe176 100644
--- a/models/gauss.xml
+++ b/models/gauss.xml
@@ -13,7 +13,7 @@
     </spatialModel>
   </source>
   <source name="Background" type="RadialAcceptance" instrument="CTA">
-    <spectrum type="FileFunction" file="$GAMMALIB/share/models/bkg_kb_E_50h_v3.txt">
+    <spectrum type="FileFunction" file="$GAMMALIB/share/models/bkg_dummy.txt">
       <parameter scale="1.0" name="Normalization" min="0.0" max="1000.0" value="1.0" free="1"/>
     </spectrum>
     <radialModel type="Gaussian">
diff --git a/models/shell.xml b/models/shell.xml
index a000796..fe3b69b 100644
--- a/models/shell.xml
+++ b/models/shell.xml
@@ -14,7 +14,7 @@
     </spatialModel>
   </source>
   <source name="Background" type="RadialAcceptance" instrument="CTA">
-    <spectrum type="FileFunction" file="$GAMMALIB/share/models/bkg_kb_E_50h_v3.txt">
+    <spectrum type="FileFunction" file="$GAMMALIB/share/models/bkg_dummy.txt">
       <parameter scale="1.0" name="Normalization" min="0.0" max="1000.0" value="1.0" free="1"/>
     </spectrum>
     <radialModel type="Gaussian">