sample scripts not part of the build
diff --git a/cmake/dtrace.cmake b/cmake/dtrace.cmake
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/cmake/dtrace.cmake
diff --git a/picotls.xcodeproj/project.pbxproj b/picotls.xcodeproj/project.pbxproj
index b17d983..301fb5b 100644
--- a/picotls.xcodeproj/project.pbxproj
+++ b/picotls.xcodeproj/project.pbxproj
@@ -91,8 +91,6 @@
 		10EACB131DCEAF0F00CA0341 /* curve25519.h in Headers */ = {isa = PBXBuildFile; fileRef = 105900361DC8D44E00FB4085 /* curve25519.h */; };
 		10EACB1A1DCEC2A300CA0341 /* libpicotls-core.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 106530DA1D9B3E6F005B2C60 /* libpicotls-core.a */; };
 		E949EF282073629300511ECA /* minicrypto-pem.c in Sources */ = {isa = PBXBuildFile; fileRef = E949EF272073629300511ECA /* minicrypto-pem.c */; };
-		E95EBCC7227E82FF0022C32D /* bpftrace.d in Sources */ = {isa = PBXBuildFile; fileRef = E95EBCC5227E82FF0022C32D /* bpftrace.d */; };
-		E95EBCC8227E82FF0022C32D /* dtrace.d in Sources */ = {isa = PBXBuildFile; fileRef = E95EBCC6227E82FF0022C32D /* dtrace.d */; };
 		E97577012212405300D1EF74 /* ffx.h in Headers */ = {isa = PBXBuildFile; fileRef = E97577002212405300D1EF74 /* ffx.h */; };
 		E97577032212405D00D1EF74 /* ffx.c in Sources */ = {isa = PBXBuildFile; fileRef = E97577022212405D00D1EF74 /* ffx.c */; };
 		E97577042212407900D1EF74 /* ffx.c in Sources */ = {isa = PBXBuildFile; fileRef = E97577022212405D00D1EF74 /* ffx.c */; };
@@ -787,9 +785,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				E95EBCC8227E82FF0022C32D /* dtrace.d in Sources */,
 				E99B75E01F5CDDB500CF503E /* asn1.c in Sources */,
-				E95EBCC7227E82FF0022C32D /* bpftrace.d in Sources */,
 				E99B75E11F5CDDB500CF503E /* pembase64.c in Sources */,
 				E97577032212405D00D1EF74 /* ffx.c in Sources */,
 				106530EB1D9B7C5C005B2C60 /* picotls.c in Sources */,