diff --git a/canvas/source/tools/makefile.mk b/canvas/source/tools/makefile.mk
index d51053d1d491..ab4f545a3bdd 100644
--- a/canvas/source/tools/makefile.mk
+++ b/canvas/source/tools/makefile.mk
@@ -44,9 +44,6 @@ CDEFS+= -DVERBOSE
 CDEFS+= -DPROFILER
 .ENDIF
 
-#CFLAGS +:= /Ox /Ot					# THIS IS IMPORTANT
-
-
 .IF "$(L10N_framework)"==""
 SLOFILES =	\
     $(SLO)$/cachedprimitivebase.obj \
diff --git a/comphelper/qa/complex/makefile.mk b/comphelper/qa/complex/makefile.mk
index ec0efdd1188c..2ddba50b4d81 100644
--- a/comphelper/qa/complex/makefile.mk
+++ b/comphelper/qa/complex/makefile.mk
@@ -30,6 +30,7 @@ TARGET  = ComphelperComplexTests
 PRJNAME = comphelper
 
 # --- Settings -----------------------------------------------------
+
 .INCLUDE: settings.mk
 
 #----- compile .java files -----------------------------------------
@@ -42,7 +43,6 @@ JAVACLASSFILES	:= $(foreach,i,$(JAVAFILES) $(CLASSDIR)$/$(i:d)$/$(i:b).class)
 
 MAXLINELENGTH = 100000
 
-#JARCLASSDIRS    =
 JARTARGET       = $(TARGET).jar
 JARCOMPRESS 	= TRUE
 
diff --git a/dtrans/test/win32/dnd/makefile.mk b/dtrans/test/win32/dnd/makefile.mk
index 3744e6135806..93ac89b0d35c 100644
--- a/dtrans/test/win32/dnd/makefile.mk
+++ b/dtrans/test/win32/dnd/makefile.mk
@@ -32,7 +32,6 @@ TARGET=dndTest
 TARGETTYPE=CUI
 LIBTARGET=NO
 
-#USE_DEFFILE=	TRUE
 ENABLE_EXCEPTIONS=TRUE
 
 # --- Settings ---
@@ -41,7 +40,6 @@ ENABLE_EXCEPTIONS=TRUE
 
 # --- Files ---
 
-# CFLAGS+=-GR -DUNICODE -D_UNICODE
 CFLAGS+= -D_WIN32_DCOM
 
 INCPRE+=	-I$(ATL_INCLUDE)
@@ -73,8 +71,6 @@ APP1LIBS=	\
             $(SLB)$/dtobjfact.lib	\
             $(SLB)$/dtutils.lib
 
-#			$(SOLARLIBDIR)$/imtaolecb.lib\
-
 APP1DEF=	$(MISC)\$(APP1TARGET).def
 
 # --- Targets ---
diff --git a/l10ntools/layout/makefile.mk b/l10ntools/layout/makefile.mk
index 9341e91b69a4..dee3c6e81b33 100644
--- a/l10ntools/layout/makefile.mk
+++ b/l10ntools/layout/makefile.mk
@@ -31,7 +31,6 @@ INCPRE=$(MISC)
 
 PRJNAME=l10ntools
 TARGET=tralay
-#TARGETTYPE=GUI
 TARGETTYPE=CUI
 LIBTARGET=no
 
diff --git a/l10ntools/source/filter/merge/makefile.mk b/l10ntools/source/filter/merge/makefile.mk
index f8f8fb640249..b66e5b27e6a1 100644
--- a/l10ntools/source/filter/merge/makefile.mk
+++ b/l10ntools/source/filter/merge/makefile.mk
@@ -35,18 +35,10 @@ PACKAGE = com$/sun$/star$/filter$/config$/tools$/merge
 .INCLUDE: settings.mk
 
 #----- compile .java files -----------------------------------------
-#.IF "$(L10N_framework)"==""
 
 OWNCOPY         =   \
                     $(MISC)$/$(TARGET)_copied.done
 
-#JARFILES        =   \
-#                    ridl.jar        \
-#                    unoil.jar       \
-#                    jurt.jar        \
-#                    juh.jar         \
-#                    java_uno.jar
-
 CFGFILES        =   \
                     FCFGMerge.cfg
 
@@ -85,8 +77,3 @@ $(OWNCOPY) : $(CFGFILES)
     $(COPY) $? $(CLASSDIR)$/$(PACKAGE) && $(TOUCH) $@
 
 .ENDIF # "$(SOLAR_JAVA)" != ""
-
-#.ELSE
-#pseudo:
-
-#.ENDIF
diff --git a/svl/qa/complex/ConfigItems/helper/makefile.mk b/svl/qa/complex/ConfigItems/helper/makefile.mk
index 13ea12106792..17c7b81ae9c7 100644
--- a/svl/qa/complex/ConfigItems/helper/makefile.mk
+++ b/svl/qa/complex/ConfigItems/helper/makefile.mk
@@ -61,7 +61,6 @@ SHL1STDLIBS=	\
                 $(SALLIB)
 
 SHL1DEF=        $(MISC)$/$(SHL1TARGET).def
-#SHL1DEPN=       $(SHL1IMPLIBN) $(SHL1TARGETN)
 
 DEF1NAME=       $(SHL1TARGET)
 
diff --git a/svl/util/makefile.mk b/svl/util/makefile.mk
index 9ea5e8d80b50..c19dc58914a1 100644
--- a/svl/util/makefile.mk
+++ b/svl/util/makefile.mk
@@ -31,7 +31,6 @@ PRJNAME=svl
 TARGET=svl
 RESTARGETSIMPLE=svs
 GEN_HID=TRUE
-# GEN_HID_OTHER=TRUE
 ENABLE_EXCEPTIONS=TRUE
 
 # --- Settings -----------------------------------------------------
diff --git a/vcl/aqua/source/res/makefile.mk b/vcl/aqua/source/res/makefile.mk
index 2043504450e7..8cc46caf443b 100644
--- a/vcl/aqua/source/res/makefile.mk
+++ b/vcl/aqua/source/res/makefile.mk
@@ -43,7 +43,6 @@ dummy:
 
 ZIPFLAGS = -r
 ZIP1TARGET = osxres
-#ZIP1DIR = 
 ZIP1LIST = MainMenu.nib/*.nib cursors/*.png
 
 # --- Targets --------------------------------------------------