diff --git a/cmake/templates/NSIS.template.in b/cmake/templates/NSIS.template.in
index 0bd1dfd214..09aa92ed47 100644
--- a/cmake/templates/NSIS.template.in
+++ b/cmake/templates/NSIS.template.in
@@ -203,70 +203,6 @@ Var AR_RegFlags
 #            Utility Functions            #
 ###########################################
 
-; StrStr
-; input, top of stack = string to search for
-;        top of stack-1 = string to search in
-; output, top of stack (replaces with the portion of the string remaining)
-; modifies no other variables.
-;
-; Usage:
-;   Push "this is a long ass string"
-;   Push "ass"
-;   Call StrStr
-;   Pop $R0
-;  ($R0 at this point is "ass string")
-
-!macro StrStr un
-Function ${un}StrStr
-Exch $R1 ; st=haystack,old$R1, $R1=needle
-  Exch    ; st=old$R1,haystack
-  Exch $R2 ; st=old$R1,old$R2, $R2=haystack
-  Push $R3
-  Push $R4
-  Push $R5
-  StrLen $R3 $R1
-  StrCpy $R4 0
-  ; $R1=needle
-  ; $R2=haystack
-  ; $R3=len(needle)
-  ; $R4=cnt
-  ; $R5=tmp
-  loop:
-    StrCpy $R5 $R2 $R3 $R4
-    StrCmp $R5 $R1 done
-    StrCmp $R5 "" done
-    IntOp $R4 $R4 + 1
-    Goto loop
-done:
-  StrCpy $R1 $R2 "" $R4
-  Pop $R5
-  Pop $R4
-  Pop $R3
-  Pop $R2
-  Exch $R1
-FunctionEnd
-!macroend
-!insertmacro StrStr ""
-!insertmacro StrStr "un."
-
-Function Trim ; Added by Pelaca
-	Exch $R1
-	Push $R2
-Loop:
-	StrCpy $R2 "$R1" 1 -1
-	StrCmp "$R2" " " RTrim
-	StrCmp "$R2" "$\n" RTrim
-	StrCmp "$R2" "$\r" RTrim
-	StrCmp "$R2" ";" RTrim
-	GoTo Done
-RTrim:
-	StrCpy $R1 "$R1" -1
-	Goto Loop
-Done:
-	Pop $R2
-	Exch $R1
-FunctionEnd
-
 Function ConditionalAddToRegisty
   Pop $0
   Pop $1