diff --git a/flight/AHRS/Makefile b/flight/AHRS/Makefile
index 2c9f409b5..640634615 100644
--- a/flight/AHRS/Makefile
+++ b/flight/AHRS/Makefile
@@ -368,8 +368,6 @@ opf: $(OUTDIR)/$(TARGET).opf
 
 # Display sizes of sections.
 $(eval $(call SIZE_TEMPLATE, $(OUTDIR)/$(TARGET).elf))
-.PHONY: size
-size: $(OUTDIR)/$(TARGET).elf_size
 
 # Generate Doxygen documents
 docs:
diff --git a/flight/Bootloaders/AHRS/Makefile b/flight/Bootloaders/AHRS/Makefile
index 41518fe7d..18bf8a269 100644
--- a/flight/Bootloaders/AHRS/Makefile
+++ b/flight/Bootloaders/AHRS/Makefile
@@ -366,8 +366,6 @@ bino: $(OUTDIR)/$(TARGET).bin.o
 
 # Display sizes of sections.
 $(eval $(call SIZE_TEMPLATE, $(OUTDIR)/$(TARGET).elf))
-.PHONY: size
-size: $(OUTDIR)/$(TARGET).elf_size
 
 # Generate Doxygen documents
 docs:
diff --git a/flight/Bootloaders/CopterControl/Makefile b/flight/Bootloaders/CopterControl/Makefile
index 6507c022c..4fc2f0f08 100644
--- a/flight/Bootloaders/CopterControl/Makefile
+++ b/flight/Bootloaders/CopterControl/Makefile
@@ -426,8 +426,6 @@ bino: $(OUTDIR)/$(TARGET).bin.o
 
 # Display sizes of sections.
 $(eval $(call SIZE_TEMPLATE, $(OUTDIR)/$(TARGET).elf))
-.PHONY: size
-size: $(OUTDIR)/$(TARGET).elf_size
 
 # Generate Doxygen documents
 docs:
diff --git a/flight/Bootloaders/OpenPilot/Makefile b/flight/Bootloaders/OpenPilot/Makefile
index a53479546..e4285f7e0 100644
--- a/flight/Bootloaders/OpenPilot/Makefile
+++ b/flight/Bootloaders/OpenPilot/Makefile
@@ -429,8 +429,6 @@ bino: $(OUTDIR)/$(TARGET).bin.o
 
 # Display sizes of sections.
 $(eval $(call SIZE_TEMPLATE, $(OUTDIR)/$(TARGET).elf))
-.PHONY: size
-size: $(OUTDIR)/$(TARGET).elf_size
 
 # Generate Doxygen documents
 docs:
diff --git a/flight/Bootloaders/PipXtreme/Makefile b/flight/Bootloaders/PipXtreme/Makefile
index faf30bc37..e3e7b45a7 100644
--- a/flight/Bootloaders/PipXtreme/Makefile
+++ b/flight/Bootloaders/PipXtreme/Makefile
@@ -425,8 +425,6 @@ bino: $(OUTDIR)/$(TARGET).bin.o
 
 # Display sizes of sections.
 $(eval $(call SIZE_TEMPLATE, $(OUTDIR)/$(TARGET).elf))
-.PHONY: size
-size: $(OUTDIR)/$(TARGET).elf_size
 
 # Generate Doxygen documents
 docs:
diff --git a/flight/CopterControl/Makefile b/flight/CopterControl/Makefile
index f6c3c6158..2541e1cc0 100644
--- a/flight/CopterControl/Makefile
+++ b/flight/CopterControl/Makefile
@@ -564,8 +564,6 @@ opf: $(OUTDIR)/$(TARGET).opf
 
 # Display sizes of sections.
 $(eval $(call SIZE_TEMPLATE, $(OUTDIR)/$(TARGET).elf))
-.PHONY: size
-size: $(OUTDIR)/$(TARGET).elf_size
 
 # Generate Doxygen documents
 docs:
diff --git a/flight/INS/Makefile b/flight/INS/Makefile
index 5691f6a7d..e8c0e50ff 100644
--- a/flight/INS/Makefile
+++ b/flight/INS/Makefile
@@ -376,8 +376,6 @@ opf: $(OUTDIR)/$(TARGET).opf
 
 # Display sizes of sections.
 $(eval $(call SIZE_TEMPLATE, $(OUTDIR)/$(TARGET).elf))
-.PHONY: size
-size: $(OUTDIR)/$(TARGET).elf_size
 
 # Generate Doxygen documents
 docs:
diff --git a/flight/OpenPilot/Makefile b/flight/OpenPilot/Makefile
index 91149ae57..0fd6e4342 100644
--- a/flight/OpenPilot/Makefile
+++ b/flight/OpenPilot/Makefile
@@ -542,8 +542,6 @@ opf: $(OUTDIR)/$(TARGET).opf
 
 # Display sizes of sections.
 $(eval $(call SIZE_TEMPLATE, $(OUTDIR)/$(TARGET).elf))
-.PHONY: size
-size: $(OUTDIR)/$(TARGET).elf_size
 
 # Generate Doxygen documents
 docs:
diff --git a/flight/PipXtreme/Makefile b/flight/PipXtreme/Makefile
index 1e9f3c48c..121c5c378 100644
--- a/flight/PipXtreme/Makefile
+++ b/flight/PipXtreme/Makefile
@@ -407,8 +407,6 @@ opf: $(OUTDIR)/$(TARGET).opf
 
 # Display sizes of sections.
 $(eval $(call SIZE_TEMPLATE, $(OUTDIR)/$(TARGET).elf))
-.PHONY: size
-size: $(OUTDIR)/$(TARGET).elf_size
 
 # Generate Doxygen documents
 docs: