diff --git a/configure.ac b/configure.ac
index 69a614b8b..5fca988cb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -393,73 +393,6 @@ AC_ARG_WITH(log-level, RB_HELP_STRING([--with-log-level[[[=INFO]]]], [Explicitly
 	])
 ])
 
-dnl
-dnl Profiling mode
-dnl
-
-AC_MSG_CHECKING(whether to instrument build for runtime profile generation)
-AC_ARG_ENABLE(profile, RB_HELP_STRING([--enable-profile], [Generate profile at runtime]),
-[
-	profiling="yes"
-	AC_DEFINE(CHARYBDIS_PROFILE, 1, [Define this if you are profiling.])
-
-	AM_COND_IF(GCC,
-	[
-		AC_MSG_RESULT([yes, adding -pg])
-		RB_VAR_PREPEND([CXXFLAGS], ["-pg"])
-	])
-
-	AM_COND_IF(CLANG,
-	[
-		AC_MSG_RESULT([yes, adding profiling flags])
-
-		#RB_VAR_PREPEND([CXXFLAGS], ["-fprofile-generate"])
-		#RB_VAR_PREPEND([LDFLAGS], ["-Wl,-fprofile-generate"])
-
-		dnl TODO: $enableval=instr?
-		dnl RB_VAR_PREPEND([CXXFLAGS], ["-fprofile-instr-generate"])
-		dnl RB_VAR_PREPEND([CXXFLAGS], ["-fcoverage-mapping"])
-		dnl RB_VAR_PREPEND([LDFLAGS], ["-Wl,-fprofile-instr-generate"])
-	])
-
-], [
-	AC_MSG_RESULT([no])
-	profiling="no"
-])
-
-AM_CONDITIONAL([PROFILE], [[[[ "$profiling" = "yes" ]]]])
-
-AC_MSG_CHECKING(whether to use a specific runtime profile)
-AC_ARG_WITH(profile, RB_HELP_STRING([--with-profile[[[=$PWD]]]], [Path to profdata]),
-[
-	profile_use=$withval
-	AC_MSG_RESULT([yes, "$profile_use"])
-	AC_SUBST(PROFILE_USE, $profile_use)
-], [
-	AM_COND_IF([CLANG],
-	[
-		profile_use="yes"
-		AC_MSG_RESULT([yes, if default.profdata is found])
-	], [
-		profile_use="no"
-		AC_MSG_RESULT([no])
-	])
-])
-
-AM_CONDITIONAL([PROFILE_USE], [[[[ "$profile_use" != "no" ]] && [[ "$profiling" == "no" ]]]])
-
-AM_COND_IF([PROFILE_USE],
-[
-	dnl Provide the correct target to the Makefiles
-	AC_PATH_PROG(LLVM_PROFDATA, llvm-profdata)
-	AM_COND_IF(CLANG14, [ AC_PATH_PROG(LLVM_PROFDATA, llvm-profdata-14) ])
-	AM_COND_IF(CLANG13, [ AC_PATH_PROG(LLVM_PROFDATA, llvm-profdata-13) ])
-	AM_COND_IF(CLANG12, [ AC_PATH_PROG(LLVM_PROFDATA, llvm-profdata-12) ])
-	AM_COND_IF(CLANG11, [ AC_PATH_PROG(LLVM_PROFDATA, llvm-profdata-11) ])
-	AM_COND_IF(CLANG10, [ AC_PATH_PROG(LLVM_PROFDATA, llvm-profdata-10) ])
-	AM_COND_IF(CLANG9,  [ AC_PATH_PROG(LLVM_PROFDATA, llvm-profdata-9)  ])
-])
-
 dnl
 dnl Precompiled headers
 dnl
@@ -3235,8 +3168,6 @@ echo "Developer debugging ............... $debug"
 echo "Developer assertions .............. $assert ($assert_type)"
 echo "Optimized compile ................. $optimize (-O$optimize_level)"
 echo "Optimized linking ................. $lto"
-echo "Optimized runtime ................. $profile_use"
-echo "Profiling runtime ................. $profiling"
 echo
 echo "Magic support ..................... $have_magic"
 echo "ImageMagick support ............... $have_imagemagick"
diff --git a/construct/Makefile.am b/construct/Makefile.am
index 0a6130ee0..3ca824b4f 100644
--- a/construct/Makefile.am
+++ b/construct/Makefile.am
@@ -38,12 +38,6 @@ AM_LDFLAGS = \
 	$(EXTRA_LDFLAGS) \
 	###
 
-if PROFILE
-if CLANG
-AM_CXXFLAGS += -fprofile-generate
-endif
-endif
-
 bin_PROGRAMS = construct
 
 construct_LDFLAGS = \
diff --git a/ircd/Makefile.am b/ircd/Makefile.am
index 0a5214b60..c90d13659 100644
--- a/ircd/Makefile.am
+++ b/ircd/Makefile.am
@@ -57,26 +57,6 @@ AM_CXXFLAGS += -fwhole-program-vtables
 endif
 endif
 
-if CLANG
-if PROFILE_USE
-AM_CXXFLAGS += -fprofile-use
-BUILT_SOURCES += default.profdata
-CLEANFILES += default.profdata
-endif
-endif
-
-if CLANG
-if PROFILE
-AM_CXXFLAGS += -fprofile-generate
-AM_LDFLAGS += -Wl,-fprofile-generate
-#TODO: XXX
-#AM_CXXFLAGS += -fprofile-instr-generate
-#AM_CXXFLAGS += -fcoverage-mapping
-#AM_LDFLAGS += -Wl,-fprofile-instr-generate
-#AM_LDFLAGS += -Wl,-fcoverage-mapping
-endif
-endif
-
 if GOLD
 AM_LDFLAGS += -Wl,--no-text-reorder
 AM_LDFLAGS += -Wl,--weak-unresolved-symbols
@@ -136,13 +116,6 @@ libircd_la_LIBADD += @Z_LIBS@
 libircd_la_LIBADD += @URING_LIBS@
 libircd_la_LIBADD += $(EXTRA_LIBS)
 
-if PROFILE
-if CLANG11
-#TODO: XXX
-libircd_la_LIBADD += /usr/lib/llvm-11/lib/clang/11.0.0/lib/linux/libclang_rt.profile-x86_64.a
-endif
-endif
-
 #
 # Unit list
 #
@@ -154,7 +127,6 @@ endif
 #
 
 libircd_la_SOURCES =#
-libircd_la_SOURCES += default.profdata
 libircd_la_SOURCES += assert.cc
 libircd_la_SOURCES += vg.cc
 libircd_la_SOURCES += exception.cc
@@ -369,16 +341,6 @@ sodium.lo:            AM_CPPFLAGS := @SODIUM_CPPFLAGS@ ${AM_CPPFLAGS}
 tokens.lo:            AM_CPPFLAGS := @BOOST_CPPFLAGS@ ${AM_CPPFLAGS}
 endif
 
-#
-# Other recipes
-#
-
-# LLVM PGO text to binary for -fprofile-use
-if CLANG
-default.profdata:
-	-$(LLVM_PROFDATA) merge -output=default.profdata default.proftext
-endif
-
 ###############################################################################
 #
 # Hardware Acceleration / sub-targets
diff --git a/matrix/Makefile.am b/matrix/Makefile.am
index 561549a92..b50375677 100644
--- a/matrix/Makefile.am
+++ b/matrix/Makefile.am
@@ -48,14 +48,6 @@ AM_CXXFLAGS += -fwhole-program-vtables
 endif
 endif
 
-if CLANG
-if PROFILE_USE
-AM_CXXFLAGS += -fprofile-use
-BUILT_SOURCES += default.profdata
-CLEANFILES += default.profdata
-endif
-endif
-
 if GOLD
 AM_LDFLAGS += -Wl,--no-gnu-unique
 AM_LDFLAGS += -Wl,--no-text-reorder
@@ -79,7 +71,6 @@ libircd_matrix_LTLIBRARIES += libircd_matrix.la
 #
 
 libircd_matrix_la_SOURCES =#
-libircd_matrix_la_SOURCES += default.profdata
 libircd_matrix_la_SOURCES += name.cc
 libircd_matrix_la_SOURCES += id.cc
 libircd_matrix_la_SOURCES += dbs.cc
@@ -212,13 +203,3 @@ endif
 
 id.lo: AM_CPPFLAGS   := ${AM_CPPFLAGS} ${SPIRIT_UNIT_CPPFLAGS}
 id.lo: CXXFLAGS      += ${AM_CXXFLAGS} ${SPIRIT_UNIT_CXXFLAGS}
-
-#
-# Other recipes
-#
-
-# LLVM PGO text to binary for -fprofile-use
-if CLANG
-default.profdata:
-	-$(LLVM_PROFDATA) merge -output=default.profdata default.proftext
-endif