diff --git a/Control/PerformanceMonitoring/PerfMonAna/CMakeLists.txt b/Control/PerformanceMonitoring/PerfMonAna/CMakeLists.txt
index 8ed8658d1791da875da6bb21a9020f39570eaa65..034fdd28c6ac46df39f3172c301286c8e2216647 100644
--- a/Control/PerformanceMonitoring/PerfMonAna/CMakeLists.txt
+++ b/Control/PerformanceMonitoring/PerfMonAna/CMakeLists.txt
@@ -6,8 +6,11 @@ atlas_subdir( PerfMonAna )
 # External dependencies:
 find_package( pandas )
 find_package( sqlalchemy )
-find_package( matplotlib )
-find_package( numpy )
+# These need to be added to Externals first, then enabled
+# However, the fact that they're missing is not an immediate
+# Showstopper...
+#find_package( matplotlib )
+#find_package( numpy )
 find_package( ROOT COMPONENTS Core PyROOT Tree MathCore Hist RIO pthread )
 
 # Install files from the package:
diff --git a/Control/PerformanceMonitoring/PerfMonGPerfTools/CMakeLists.txt b/Control/PerformanceMonitoring/PerfMonGPerfTools/CMakeLists.txt
index 77e5e7f82c559eb0f7f6bd1adaa5d051685f6278..cc532c76b37137bda55a2b4216b5e444f6c51dc1 100644
--- a/Control/PerformanceMonitoring/PerfMonGPerfTools/CMakeLists.txt
+++ b/Control/PerformanceMonitoring/PerfMonGPerfTools/CMakeLists.txt
@@ -5,7 +5,7 @@ atlas_subdir( PerfMonGPerfTools )
 
 # External dependencies:
 find_package( gperftools COMPONENTS profiler )
-#find_package( pprof )
+find_package( pprof )
 
 # Component(s) in the package:
 atlas_add_component( PerfMonGPerfTools