diff --git a/src/AMOSMacros.s b/src/AMOSMacros.s
deleted file mode 100644
index 27480d4..0000000
--- a/src/AMOSMacros.s
+++ /dev/null
@@ -1,42 +0,0 @@
-; get the effective address of something in extension memory
-Dlea    MACRO
-        MOVE.L ExtAdr+ExtNb*16(A5),\2
-        ADD.W #\1-MB,\2
-        ENDM
-
-; load the base of extension memory into a register
-Dload   MACRO
-        MOVE.L ExtAdr+ExtNb*16(A5),\1
-        ENDM
-
-; wrap code that doesn't take arguments with these
-PreserveStackInstruction MACRO
-  MOVEM.L A2-A6/D6-D7,-(SP)
-  ENDM
-RestoreStackInstruction MACRO
-  MOVEM.L (SP)+,A2-A6/D6-D7
-  ENDM
-
-; wrap code that takes arguments with these
-PreserveStackFunction MACRO
-  MOVEM.L A2/A4-A6/D6-D7,-(SP)
-  ENDM
-RestoreStackFunction MACRO
-  MOVEM.L (SP)+,A2/A4-A6/D6-D7
-  ENDM
-
-; Push and pop the extension's data storage into A3
-WithDataStorageToA3 MACRO
-  MOVE.L A3,-(SP)
-  Dload A3
-  ENDM
-EndDataStorage MACRO
-  MOVE.L (SP)+,A3
-  ENDM
-
-EvenOutStringAddress MACRO
-    MOVE.W \1,\2
-    AND.W #$0001,\2
-    ADD.W \2,\1
-    ENDM
-
diff --git a/src/Constants.s b/src/Constants.s
deleted file mode 100644
index 331a84d..0000000
--- a/src/Constants.s
+++ /dev/null
@@ -1,43 +0,0 @@
-; bsdsocket library stuff
-; ported from the various C include headers
-SOCK_STREAM EQU 1
-PF_INET     EQU 2
-AF_INET     EQU PF_INET
-IPPROTO_TCP EQU 6
-
-INADDR_ANY  EQU 0
-
-FIONBIO     EQU $8004667E
-FIONASYNC   EQU $8004667D
-
-SOL_SOCKET  EQU $FFFF
-SO_REUSEADDR EQU $4
-
-MAX_SOCKETS EQU 64
-
-len_sockaddr_in        EQU 16
-sockaddr_in_sin_len    EQU 0
-sockaddr_in_sin_family EQU 1
-sockaddr_in_sin_port   EQU 2
-sockaddr_in_sin_addr   EQU 4
-
-; global errors
-Error_OtherError             EQU -1
-Error_LibraryNotOpen         EQU -2
-Error_PortOutOfRange         EQU -11
-Error_FdsetOutOfRange        EQU -11
-Error_UnableToBind           EQU -12
-
-; socket herrno and tag lists
-; built from:
-; * https://wiki.amigaos.net/amiga/autodocs/bsdsocket.doc.txt
-; * https://github.com/deplinenoise/amiga-sdk/blob/master/netinclude/amitcp/socketbasetags.h
-; * http://amigadev.elowar.com/read/ADCD_2.1/Includes_and_Autodocs_2._guide/node012E.html
-
-TAG_USER EQU (1<<31)
-SBTF_REF EQU $8000
-SBTB_CODE EQU 1
-SBTS_CODE EQU $3FFF
-SBTC_HERRNO EQU 6
-
-HerrnoTag EQU (TAG_USER|SBTF_REF|((SBTC_HERRNO&SBTS_CODE)<<SBTB_CODE))
diff --git a/src/LongDivide.s b/src/LongDivide.s
deleted file mode 100644
index d3cc79a..0000000
--- a/src/LongDivide.s
+++ /dev/null
@@ -1,43 +0,0 @@
-; d0 = value to be divided
-; d1 = divisor
-; returns:
-; d0 = divided value
-; d1 = remainder
-LongDivideD0ByD1 MACRO
-  CMP.L D0,D1
-  BMI _LongDivide_StartDivide\@
-
-  MOVE.L D0,D1
-  MOVEQ #0,D0
-  BRA _LongDivide_Skip\@
-
-_LongDivide_StartDivide\@:
-
-  MOVEM.L D2-D4,-(SP)
-    MOVEQ #0,D2      ; remainder
-    MOVE.L #31,D3    ; bit tracking
-                     ; d4 tracks the status register
-
-_LongDivide_ContinueDivide\@:
-    ASL.L #1,D0
-    SCS D4      ; bit that got rolled out
-    AND.L #1,D4
-    ROL.L #1,D2
-    ADD.L D4,D2 ; roll the value onto the remainder
-
-    MOVE.L D2,D4
-    SUB.L D1,D4
-
-    BMI _LongDivide_NotDivisible\@
-    ADDQ #1,D0
-    MOVE.L D4,D2
-
-_LongDivide_NotDivisible\@:
-    DBRA D3,_LongDivide_ContinueDivide\@
-    MOVE.L D2,D1
-  MOVEM.L (SP)+,D2-D4
-
-_LongDivide_Skip\@:
-  ENDM
-
-
diff --git a/src/fd_set.s b/src/fd_set.s
deleted file mode 100644
index 29f765b..0000000
--- a/src/fd_set.s
+++ /dev/null
@@ -1,47 +0,0 @@
-; fdset macros
-EnsureValidFdset MACRO
-    CMP.L #MaxFd_sets,\1
-    BLT \2
-
-    MOVE.L #Error_FdsetOutOfRange,D3
-    RestoreStackFunction
-    Ret_Int
-    ENDM
-
-EnsureValidFdsetBit MACRO
-    CMP.L #64,\1
-    BGE _EnsureValidFdsetBit_Fail\@
-    BRA \2
-_EnsureValidFdsetBit_Fail\@:
-    MOVE.L \3,D3
-    RestoreStackFunction
-    Ret_Int
-    ENDM
-
-; LeaFdset fd_set reg,target
-LeaFdset MACRO
-    MOVE.L \1,-(SP)
-    Dlea fd_sets,\2 ; base of all, these are longs
-    ROL.L #3,\1     ; multiply by 8
-    ADD.L \1,\2     ; add to base of all
-    MOVE.L (SP)+,\1
-    ENDM
-
-; LeaFdsetForBit fd_set reg,target address,target bit in address
-LeaFdsetForBit MACRO
-  LeaFdset \1,\2 ; get fdset base address in \2
-  MOVE.L D3,-(SP)
-    MOVE.L \3,D3 ; Put target bit into D3
-    ROR.L #5,D3  ; lop off the first 5 bits
-    AND.L #$7,D3 ; only keep the top three
-    ROL.L #2,D3  ; multiply by 4
-    ADD.L D3,\2  ; add that value to the fdset address
-
-    AND.L #$1F,\3 ; only keep 0-31 in \3
-
-    MOVEQ #1,D3
-    ROL.L \3,D3   ; shift that bit left as many as target
-    MOVE.L D3,\3  ; put that in the target
-  MOVE.L (SP)+,D3
-
-  ENDM