diff --git a/configure/os/CONFIG.linux-x86-debug.linux-x86-debug b/configure/os/CONFIG.linux-x86-debug.linux-x86-debug
index 82b714ab2..f4ced3843 100644
--- a/configure/os/CONFIG.linux-x86-debug.linux-x86-debug
+++ b/configure/os/CONFIG.linux-x86-debug.linux-x86-debug
@@ -9,3 +9,6 @@
 
 include $(CONFIG)/os/CONFIG.linux-x86.linux-x86
 
+# Removes -O optimization and adds -g compile option
+HOST_OPT=NO
+
diff --git a/configure/os/CONFIG.win32-x86-debug.win32-x86-debug b/configure/os/CONFIG.win32-x86-debug.win32-x86-debug
index 78a05e0ef..b6a3ac05b 100644
--- a/configure/os/CONFIG.win32-x86-debug.win32-x86-debug
+++ b/configure/os/CONFIG.win32-x86-debug.win32-x86-debug
@@ -9,3 +9,4 @@
 
 include $(CONFIG)/os/CONFIG.win32-x86.win32-x86
 
+HOST_OPT=NO
diff --git a/configure/os/CONFIG_SITE.linux-x86-debug.linux-x86-debug b/configure/os/CONFIG_SITE.linux-x86-debug.linux-x86-debug
index 1ea39b4e0..69f6e7daf 100644
--- a/configure/os/CONFIG_SITE.linux-x86-debug.linux-x86-debug
+++ b/configure/os/CONFIG_SITE.linux-x86-debug.linux-x86-debug
@@ -5,5 +5,3 @@
 #Compiles for profiling with the gprof profiler.
 #GPROF=YES
 
-# Removes -O optimization and adds -g compile option
-HOST_OPT=NO