diff --git a/Makefile b/Makefile
index 1e5740b1..e1421f83 100644
--- a/Makefile
+++ b/Makefile
@@ -263,14 +263,6 @@ GODDARD_O_FILES := $(foreach file,$(GODDARD_C_FILES),$(BUILD_DIR)/$(file:.c=.o))
 # Automatic dependency files
 DEP_FILES := $(O_FILES:.o=.d) $(GODDARD_O_FILES:.o=.d) $(BUILD_DIR)/$(LD_SCRIPT).d
 
-# Files with GLOBAL_ASM blocks
-ifeq ($(NON_MATCHING),0)
-  GLOBAL_ASM_C_FILES != grep -rl 'GLOBAL_ASM(' $(wildcard src/**/*.c)
-  GLOBAL_ASM_O_FILES = $(foreach file,$(GLOBAL_ASM_C_FILES),$(BUILD_DIR)/$(file:.c=.o))
-  GLOBAL_ASM_DEP = $(BUILD_DIR)/src/audio/non_matching_dep
-endif
-
-
 #==============================================================================#
 # Compiler Options                                                             #
 #==============================================================================#
@@ -623,18 +615,6 @@ $(BUILD_DIR)/include/level_headers.h: levels/level_headers.h.in
 	$(call print,Preprocessing level headers:,$<,$@)
 	$(V)$(CPP) $(CPPFLAGS) -I . $< | sed -E 's|(.+)|#include "\1"|' > $@
 
-# Run asm_processor on files that have NON_MATCHING code
-ifeq ($(NON_MATCHING),0)
-$(GLOBAL_ASM_O_FILES): CC := $(V)$(PYTHON) $(TOOLS_DIR)/asm_processor/build.py $(CC) -- $(AS) $(ASFLAGS) --
-endif
-
-# Rebuild files with 'GLOBAL_ASM' if the NON_MATCHING flag changes.
-$(GLOBAL_ASM_O_FILES): $(GLOBAL_ASM_DEP).$(NON_MATCHING)
-$(GLOBAL_ASM_DEP).$(NON_MATCHING):
-	@$(RM) $(GLOBAL_ASM_DEP).*
-	$(V)touch $@
-
-
 #==============================================================================#
 # Compilation Recipes                                                          #
 #==============================================================================#
diff --git a/include/macros.h b/include/macros.h
index 803fc6c1..918716f9 100644
--- a/include/macros.h
+++ b/include/macros.h
@@ -12,10 +12,6 @@
 // Since we are using both compilers to match iQue, ignore these errors.
 #ifndef EGCS_GCC
 
-#ifndef __sgi
-#define GLOBAL_ASM(...)
-#endif
-
 #if !defined(__sgi) && (!defined(NON_MATCHING) || !defined(AVOID_UB))
 // asm-process isn't supported outside of IDO, and undefined behavior causes crashes.
 #error Matching build is only possible on IDO; please build with NON_MATCHING=1.